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the diode is our first semi-conductor device , and it 's a really important one . every other semi-conductor is basically made from combinations of diodes . and here 's a picture of a diode that you can buy . this is a , just a small little glass package , and that distance right there is about four millimeters . and ... | if it was a perfect diode , made in some unknown technology , what would happen is in the reverse direction , if the voltage across the diode was negative , we 'll label the voltage this way , if the voltage across the diode was negative , that is , this terminal is at a higher voltage than this terminal , there would ... | what would a diode look like on a circuit board ? |
the diode is our first semi-conductor device , and it 's a really important one . every other semi-conductor is basically made from combinations of diodes . and here 's a picture of a diode that you can buy . this is a , just a small little glass package , and that distance right there is about four millimeters . and ... | so the question is , what is a diode ? a diode is something that conducts current in one direction , and does not conduct current in the other direction . and the symbol we use for a diode looks like this . | what is the direction of current in a circuit ( outside of a dc battery ) ? |
the diode is our first semi-conductor device , and it 's a really important one . every other semi-conductor is basically made from combinations of diodes . and here 's a picture of a diode that you can buy . this is a , just a small little glass package , and that distance right there is about four millimeters . and ... | and for silicon , for silicon that 's a value of about 10 to the minus 12 amperes , which is one picoampere , that 's how much is is . q is the charge on an electron , and that equals 1.602 times 10 to the minus 19 coulombs . that 's q , vd is the voltage across the diode , k is boltzmann 's constant , that 's a small ... | electron flow vs proton flow ? |
the diode is our first semi-conductor device , and it 's a really important one . every other semi-conductor is basically made from combinations of diodes . and here 's a picture of a diode that you can buy . this is a , just a small little glass package , and that distance right there is about four millimeters . and ... | and what i 'll read , my ammeter , will read zero milliamps . zero , zero , zero , zero , zero . and so they plot in this part of the line here . | why do n't the graphs beyond the moment that there stops being zero current ? |
the diode is our first semi-conductor device , and it 's a really important one . every other semi-conductor is basically made from combinations of diodes . and here 's a picture of a diode that you can buy . this is a , just a small little glass package , and that distance right there is about four millimeters . and ... | if it was a perfect diode , made in some unknown technology , what would happen is in the reverse direction , if the voltage across the diode was negative , we 'll label the voltage this way , if the voltage across the diode was negative , that is , this terminal is at a higher voltage than this terminal , there would ... | ie what should the graph look like for higher voltages ? |
the diode is our first semi-conductor device , and it 's a really important one . every other semi-conductor is basically made from combinations of diodes . and here 's a picture of a diode that you can buy . this is a , just a small little glass package , and that distance right there is about four millimeters . and ... | is is called the saturation current . saturation current . and for silicon , for silicon that 's a value of about 10 to the minus 12 amperes , which is one picoampere , that 's how much is is . | does the current just go to infinity because there is no resistance or something ? |
the diode is our first semi-conductor device , and it 's a really important one . every other semi-conductor is basically made from combinations of diodes . and here 's a picture of a diode that you can buy . this is a , just a small little glass package , and that distance right there is about four millimeters . and ... | is is called the saturation current . saturation current . and for silicon , for silicon that 's a value of about 10 to the minus 12 amperes , which is one picoampere , that 's how much is is . | then how does holes constitute hole current ? |
the diode is our first semi-conductor device , and it 's a really important one . every other semi-conductor is basically made from combinations of diodes . and here 's a picture of a diode that you can buy . this is a , just a small little glass package , and that distance right there is about four millimeters . and ... | so let 's draw an iv curve for a diode . if it was a perfect diode , made in some unknown technology , what would happen is in the reverse direction , if the voltage across the diode was negative , we 'll label the voltage this way , if the voltage across the diode was negative , that is , this terminal is at a higher ... | how can be voltage in negative ? |
the diode is our first semi-conductor device , and it 's a really important one . every other semi-conductor is basically made from combinations of diodes . and here 's a picture of a diode that you can buy . this is a , just a small little glass package , and that distance right there is about four millimeters . and ... | the diode is our first semi-conductor device , and it 's a really important one . every other semi-conductor is basically made from combinations of diodes . | why does a photodiode require biasing ? |
the diode is our first semi-conductor device , and it 's a really important one . every other semi-conductor is basically made from combinations of diodes . and here 's a picture of a diode that you can buy . this is a , just a small little glass package , and that distance right there is about four millimeters . and ... | a diode is something that conducts current in one direction , and does not conduct current in the other direction . and the symbol we use for a diode looks like this . it has this big arrow here , that points in the direction of the forward current . | is a transistor a diode and if it is could someone help me understand what exactly it does like how does it work ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and so it makes adh and oxytocin . and adh is antidiuretic hormone . and it 's a main regulator of our fluid volume in our body . | isnt the posterior pituitary the one that releases oxytosin and adh ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . | what does the synthroid do ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | in addition to stimulating the pituitary gland , the hypothalamus actually make some hormones itself also . and so it makes adh and oxytocin . and adh is antidiuretic hormone . | what is the role of oxytocin in male ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and so because it plays that dual role between the endocrine system and the nervous system , it often gets taglined as the control center of the endocrine system . in addition to stimulating the pituitary gland , the hypothalamus actually make some hormones itself also . and so it makes adh and oxytocin . | what types of hormones does the pituitary gland produce ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and so one of the endocrine glands that the pituitary directs is the thyroid gland . and the thyroid gland is located right here in your neck . it wraps around your trachea . | is the doctor feeling for my thyroid gland ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and another name for t4 is thyroxine . but the thyroid uses these hormones , the thyroid hormones , to stimulate the body 's metabolism , which is crucial because that 's how our body gets energy . and then right behind that thyroid gland are four spots known collectively as the parathyroid . | and if so , why would getting a cold cause my thyroid to swell if its primary function is controlling metabolism ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and so one of the endocrine glands that the pituitary directs is the thyroid gland . and the thyroid gland is located right here in your neck . it wraps around your trachea . | why is the thyroid gland larger and more protrusive in males ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . | which term refers to bulging eyeballs ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | it actually secretes a hormone that it makes called an interleukin , that signals the cell itself to increase its effectiveness and its immune function . and then another class of hormones are paracrine hormones . and paracrine hormones function regionally . | if the hypothalamus secretes paracrine hormones , why is it included in the endocrine system ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and so it makes adh and oxytocin . and adh is antidiuretic hormone . and it 's a main regulator of our fluid volume in our body . | which hormone stimulates the production of thyroid hormone ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and all of those organs are made of tissues . and all of those tissues are made of cells . and it 's crazy , but there are 100 trillion -- or at least roughly 100 trillion cells in our body . so it 's curious then how do those 100 trillion different parts communicate ? | how are there trillions of cells in our body ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and it 's a main regulator of our fluid volume in our body . and then oxytocin is a hormone that stimulates the uterus to contract for females during pregnancy . and so that 's the hypothalamus , member of the brain and member of the endocrine system where it all begins , the control center . | is n't oxytocin the hormone that deals with pleasure , or is that something else ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and so that little green pea is a really important part of the endocrine system . and so one of the endocrine glands that the pituitary directs is the thyroid gland . and the thyroid gland is located right here in your neck . | is it bad if one side of the pituitary gland is larger than the other side ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and so it makes adh and oxytocin . and adh is antidiuretic hormone . and it 's a main regulator of our fluid volume in our body . | which hormone is produced by heart ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and an example of this might be the pituitary gland stimulating the gonads , way far away . and so we have autocrine , paracrine , and endocrine classes that help us determine how a hormone functions . and so i know i just told you a whole lot about hormones . | does the heart and the kidney have any endocrine functions ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and so that 's the hypothalamus , member of the brain and member of the endocrine system where it all begins , the control center . and then right below the hypothalamus is the pituitary gland . and the pituitary gland is located right here , dangling right below . | so the hypothalamus is a gland , right ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . | how the chakra 's work in relationship to the sympathetic and parasympathetic nervous systems ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and then the medulla makes a class of hormones called catecholamines . and two major examples of catecholamines are epinephrine and norepinephrine . and i 'm going to shorten those as epi and norepi . | what are the functions of norepinephrine ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | it 's involved in muscle contraction . it 's involved in bone growth . and all of those functions are really sensitive to the level of calcium that 's floating around in our blood . | what is the mechanism of hgh effect on growth of soft tissues ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | well , to talk about that we 're going to have to talk about the endocrine system . and the endocrine system is a system of organs that are called glands . and these glands secrete little chemical messages that are called hormones . | so the pancreas is part of both the endocrine and exocrine system ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and the endocrine system is a system of organs that are called glands . and these glands secrete little chemical messages that are called hormones . and they release those little chemical messages called hormones into the bloodstream so that they can circulate from one part of the body to another part of the body in or... | as it releases chemical messages and secretions through ducts ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | well , to talk about that we 're going to have to talk about the endocrine system . and the endocrine system is a system of organs that are called glands . and these glands secrete little chemical messages that are called hormones . | what is the difference between endocrine and exocrine system ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and one of its main jobs is regulating your body 's metabolism . and it does that through the thyroid hormones t3 and t4 . and another name for t3 is triiodothyronine . | if the thyroid gland secrets only t3 and t4 hormones then where is calcitonin or thyrocacitonin secreted ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and so it makes adh and oxytocin . and adh is antidiuretic hormone . and it 's a main regulator of our fluid volume in our body . | what type of hormone is secreted by the heart ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and so that 's the hypothalamus , member of the brain and member of the endocrine system where it all begins , the control center . and then right below the hypothalamus is the pituitary gland . and the pituitary gland is located right here , dangling right below . | why is hypothalamus not called 'mater gland ' instead of pituitary gland ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and so that 's the hypothalamus , member of the brain and member of the endocrine system where it all begins , the control center . and then right below the hypothalamus is the pituitary gland . and the pituitary gland is located right here , dangling right below . | `` pituitary gland actives in our early days '' is it true ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | in addition to stimulating the pituitary gland , the hypothalamus actually make some hormones itself also . and so it makes adh and oxytocin . and adh is antidiuretic hormone . | what is the role of the oxytocin ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and so one of the major endocrine glands is the hypothalamus . and the hypothalamus is located right here . it 's a member of the forebrain . | can someone give me a rundown of the hypothalamus ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and so it makes adh and oxytocin . and adh is antidiuretic hormone . and it 's a main regulator of our fluid volume in our body . | how come the hormone does n't stop and go around the whole body ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and in females , those are the ovaries , and in males , the testes . and the gonads release the sex hormones . and so in males , the testes produce testosterone . | is n't the adrenal cortex also involved with sex hormones ( androgens and estrogens ) ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and in females , those are the ovaries , and in males , the testes . and the gonads release the sex hormones . and so in males , the testes produce testosterone . | can someone explain what is the role of these cortical sex hormones ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and then right below the hypothalamus is the pituitary gland . and the pituitary gland is located right here , dangling right below . and so the hypothalamus is about the size of a grape . | so , the main purpose of hormons is signal function , right ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | it actually secretes a hormone that it makes called an interleukin , that signals the cell itself to increase its effectiveness and its immune function . and then another class of hormones are paracrine hormones . and paracrine hormones function regionally . | also what is the benefit of using hormones ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | but unless you 're tuned in specifically to that station , you 're not going to pick up on the song that 's being transmitted . and in a very similar way , a hormone is not going to be received unless there 's a very specific receptor on the target cell . and so the receptor and its location are very important in deter... | do we know a specific reason why evolution went this way ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and then another class of hormones are paracrine hormones . and paracrine hormones function regionally . and an example of that might be the hormones released by the hypothalamus that direct the pituitary gland . | what is the function of pituetary gland ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and so that 's the hypothalamus , member of the brain and member of the endocrine system where it all begins , the control center . and then right below the hypothalamus is the pituitary gland . and the pituitary gland is located right here , dangling right below . | so in continuation of what others were saying , i understand that the hypothalamus synthesizes the chemicals such as adh and oxytocin , but does it do that for the anterior pituitary gland ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and so because it plays that dual role between the endocrine system and the nervous system , it often gets taglined as the control center of the endocrine system . in addition to stimulating the pituitary gland , the hypothalamus actually make some hormones itself also . and so it makes adh and oxytocin . | also , why does the body need all these extra glands if the hypothalamus synthesizes all the hormones ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | if , say , that you 're in the brain and you 're trying to tell something to the kidney , you 're trying to send him a message , and you put that in the bloodstream and you just float it down to him , how do you know that it 's going to get there ? i mean , is n't that what every other endocrine gland is trying to do ?... | why was n't the thymus included ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and one of its main jobs is regulating your body 's metabolism . and it does that through the thyroid hormones t3 and t4 . and another name for t3 is triiodothyronine . | what 's the different between t3 and t4 ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | well , to talk about that we 're going to have to talk about the endocrine system . and the endocrine system is a system of organs that are called glands . and these glands secrete little chemical messages that are called hormones . | does our organs such as heart , stomach , kidney , intestine and pancreas count as the organs of the endocrine system ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | well , to talk about that we 're going to have to talk about the endocrine system . and the endocrine system is a system of organs that are called glands . and these glands secrete little chemical messages that are called hormones . | in another word can i say any organs that produce hormones be one of the endocrine system organs ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and so the first class are autocrine hormones . and the autocrine hormones function at the cell that makes them . an example of this is the t-cell in the immune system . | and what is itsfunction in the t cell ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and so that 's the hypothalamus , member of the brain and member of the endocrine system where it all begins , the control center . and then right below the hypothalamus is the pituitary gland . and the pituitary gland is located right here , dangling right below . | is the communication between the hypothalamus to the pituitary endocrine , not paracrine ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and another name for t3 is triiodothyronine . and another name for t4 is thyroxine . but the thyroid uses these hormones , the thyroid hormones , to stimulate the body 's metabolism , which is crucial because that 's how our body gets energy . and then right behind that thyroid gland are four spots known collectively a... | what is a natural way that a person with hypothyroidism can replace thyroxine in the body , without to taking levothyroxine or an artificial form of the thyroid hormone ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | it actually secretes a hormone that it makes called an interleukin , that signals the cell itself to increase its effectiveness and its immune function . and then another class of hormones are paracrine hormones . and paracrine hormones function regionally . | - 0 , are n't the hormones released by hypothalamus that direct the pituitary gland called neuroendocrine hormones ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and sometimes epinephrine is called adrenaline . and that might be a little bit more familiar to you . but these catecholamines are really involved in our body 's fight or flight response , that adrenaline response that we have to a stressful or scary situation . | do n't males have a little bit of estrogen and females a little bit of testosterone ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and so it makes adh and oxytocin . and adh is antidiuretic hormone . and it 's a main regulator of our fluid volume in our body . | the interleukin hormone is an autocrine hormone that acts on a cell that produced it but am i right , assuming that it is excreted and that it affects other tcells of the same class ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and it 's a main regulator of our fluid volume in our body . and then oxytocin is a hormone that stimulates the uterus to contract for females during pregnancy . and so that 's the hypothalamus , member of the brain and member of the endocrine system where it all begins , the control center . | so is oxytocin present only in females ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and so because it plays that dual role between the endocrine system and the nervous system , it often gets taglined as the control center of the endocrine system . in addition to stimulating the pituitary gland , the hypothalamus actually make some hormones itself also . and so it makes adh and oxytocin . and adh is an... | i thought the pituitary gland secreted adh and oxytocin ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and so it makes adh and oxytocin . and adh is antidiuretic hormone . and it 's a main regulator of our fluid volume in our body . | how does the cells know that a hormone is being radioed to them and get ready with their receptors ? |
have you ever thought about the way the different parts of our body communicate ? i think we often consider the body to be this one complete thing , this self . but really our body is composed of lots of parts . there are lots of organ systems . and each of those has organs . and all of those organs are made of tissues... | and then last , but not least , kind of the classic class of hormones are the endocrine hormones . and these are the hormones that function at a distance . and an example of this might be the pituitary gland stimulating the gonads , way far away . | is n't the hemocrine hormones that function at a distance and not the endocrine ? |
in the last video i had this 2 by 3 matrix a right here , and we figured out all of the subspaces that are associated with this matrix . we figured out its null space , its column space , we figured out the null space and column space of its transpose , which you could also call the left null space , and the row space ... | so let me write it like this . a times 3/2 , 0 , 1 plus v times 1/2 , 1 , 0 dotted with this guy , dot d times 2 minus 1 , 3 . now , what is this going to be equal to ? | what is nullspace , rowspace , and collumnspace ? |
in the last video i had this 2 by 3 matrix a right here , and we figured out all of the subspaces that are associated with this matrix . we figured out its null space , its column space , we figured out the null space and column space of its transpose , which you could also call the left null space , and the row space ... | and what else is a subset of r2 ? well , our left null space . our left null space is also a subset of r2 . | but why does left null space belong to the codomain ? |
in the last video i had this 2 by 3 matrix a right here , and we figured out all of the subspaces that are associated with this matrix . we figured out its null space , its column space , we figured out the null space and column space of its transpose , which you could also call the left null space , and the row space ... | and that means that v4 is equal to , let 's say , some scaling vector . i always use c a lot . let me use d. let 's say it 's d times my spanning vector . | is that correct that the cross product of the span of n ( a ) is always part of c ( at ) ? |
in the last video i had this 2 by 3 matrix a right here , and we figured out all of the subspaces that are associated with this matrix . we figured out its null space , its column space , we figured out the null space and column space of its transpose , which you could also call the left null space , and the row space ... | our column space of a is the span of the vector 2 minus 4 . it 's an r2 vector . this is a subspace of r2 . | do i understand correctly that the ( 0 ) t vector = 0 vector ? |
the starting block below is 2 units long . use the tools to the right to convert the starting block into both of the goal blocks , that are 5/8 units long , and 1 and 3/4 units long . you can see your progress as the current block . so what are they telling us to do ? so this is the starting block , right over here . t... | so this right over here is 1/8 , i just need to make 14 of these . 2 , 3 , 4 , 5 , 6 , 7 , 8 . actually , let me show you what i 'm doing . | if you have 5/8 and 1 6/8 , why do you have to cut the starting block into 16 ? |
the starting block below is 2 units long . use the tools to the right to convert the starting block into both of the goal blocks , that are 5/8 units long , and 1 and 3/4 units long . you can see your progress as the current block . so what are they telling us to do ? so this is the starting block , right over here . t... | and that makes sense , because if this is about a whole , then that looks like about 5/8 . this right over here would be about 8/8 . so this looks about 5/8 . | if a/b is an improper fraction when divided by 6/25 or 8/15 when would the quotient be a whole number ? |
the starting block below is 2 units long . use the tools to the right to convert the starting block into both of the goal blocks , that are 5/8 units long , and 1 and 3/4 units long . you can see your progress as the current block . so what are they telling us to do ? so this is the starting block , right over here . t... | and that makes sense , because if this is about a whole , then that looks like about 5/8 . this right over here would be about 8/8 . so this looks about 5/8 . | what would be the use of this knowledge in day to day life ? |
the starting block below is 2 units long . use the tools to the right to convert the starting block into both of the goal blocks , that are 5/8 units long , and 1 and 3/4 units long . you can see your progress as the current block . so what are they telling us to do ? so this is the starting block , right over here . t... | this right over here is 5/8 . this is 1/8 . so let me copy this , 1 , 2 , 3 , 4 , 5 . so that is 5/8 . | to test some people : 1/2 + 1/3 + 1/4 + 1/5 ... 1/9 + 1/10 ? |
let 's think a little bit about why credit default swaps , or famously referred to by warren buffett as financial weapons of mass destruction . at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps ... | and they might actually say , wait , i can only hold double a debt and they might actually have to dump this debt on to the market . even worse , you have all of the people over here who did n't lend any money to anybody , but they really just wanted to make side bets . either the side bets might have been pure directi... | so what the hedge funds bought really is n't insurance , is it ? |
let 's think a little bit about why credit default swaps , or famously referred to by warren buffett as financial weapons of mass destruction . at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps ... | so the investors are lending them money . the companies give them interest . so investors lending money , giving interest , lending money , giving interest , lending money , giving interest . and then these investors -- it seems pretty reasonable -- say , hey , look , there 's a guy over here with a double a rating . | you have to have an `` insurable interest '' in order to buy insurance , right ? |
let 's think a little bit about why credit default swaps , or famously referred to by warren buffett as financial weapons of mass destruction . at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps ... | and they might actually say , wait , i can only hold double a debt and they might actually have to dump this debt on to the market . even worse , you have all of the people over here who did n't lend any money to anybody , but they really just wanted to make side bets . either the side bets might have been pure directi... | why are these side bets allowed ? |
let 's think a little bit about why credit default swaps , or famously referred to by warren buffett as financial weapons of mass destruction . at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps ... | aig is the most famous . but you have some writer here . they 're given some good credit rating . maybe in the past that credit rating was actually earned by a credit rating agency . and then frankly , the credit rating agency got a little sloppy and really was n't willing to downgrade them given all of the credit defa... | when the ratings agencies are suggested to be sloppy , is n't it also a possibility that they knew that the writer had a less than perfect credit rating ? |
let 's think a little bit about why credit default swaps , or famously referred to by warren buffett as financial weapons of mass destruction . at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps ... | so just for maybe this right here is $ 1 billion in debt , maybe all of these parties took side bets on this guy . so even though there 's only $ 1 billion of debt here , there might be $ 4 or $ 5 or $ 10 billion worth of insurance on that $ 1 billion bet . so if all of a sudden this one company ca n't pay its $ 1 bill... | but instead of paying out $ 4 or $ 5 billion to its cds counter parties would it not make sense for aig to just shell out that $ 1 billion to the company which is going to default essentially prevent the credit default ; so it does not have to pay out for all the cds obligations ? |
let 's think a little bit about why credit default swaps , or famously referred to by warren buffett as financial weapons of mass destruction . at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps ... | you can imagine a situation where the economy goes bad . now , all of a sudden this company defaults on its debt and this company defaults on its debt . in fact , when the economy 's good , it 's likely that very few of these companies are going to default and when the economy goes bad , it 's likely that many of them ... | 7 instead of betting for whether a corp will fail or not , can these third parties bet for whether a corp will succeed in paying its debt or not & if corp succeed in paying debt they get money on that ? |
let 's think a little bit about why credit default swaps , or famously referred to by warren buffett as financial weapons of mass destruction . at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps ... | and they might actually say , wait , i can only hold double a debt and they might actually have to dump this debt on to the market . even worse , you have all of the people over here who did n't lend any money to anybody , but they really just wanted to make side bets . either the side bets might have been pure directi... | who came up with that side bet idea , and when did it started to happen ? |
let 's think a little bit about why credit default swaps , or famously referred to by warren buffett as financial weapons of mass destruction . at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps ... | so if all of a sudden this one company ca n't pay its $ 1 billion , now aig is on the line not for $ 1 billion , but for $ 4 or $ 5 or $ 6 billion , however much it insured it for . so it allows people to insure for things that they do n't have the offsetting liability for . and so you can imagine , some of these peopl... | does n't legislation needs to be created for such things to happen ? |
let 's think a little bit about why credit default swaps , or famously referred to by warren buffett as financial weapons of mass destruction . at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps ... | even worse , you have all of the people over here who did n't lend any money to anybody , but they really just wanted to make side bets . either the side bets might have been pure directional bets on the state of the economy saying , hey , i think a bunch of companies or i think this company in particular is going to d... | what benefits does the side bets bring to the economy that would justify those laws being passed ? |
let 's think a little bit about why credit default swaps , or famously referred to by warren buffett as financial weapons of mass destruction . at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps ... | at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps . aig is the most famous . but you have some writer here . | did the aig 's and other cds writers take out re-insurance on their obligations ? |
let 's think a little bit about why credit default swaps , or famously referred to by warren buffett as financial weapons of mass destruction . at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps ... | you can imagine a situation where the economy goes bad . now , all of a sudden this company defaults on its debt and this company defaults on its debt . in fact , when the economy 's good , it 's likely that very few of these companies are going to default and when the economy goes bad , it 's likely that many of them ... | however is it permissible for a hedge fund who already purchased cds 's on a company to also take a short position or buy put options ( on the very same company ) which will also benefit the hedge fund from the company 's defaulting ? |
let 's think a little bit about why credit default swaps , or famously referred to by warren buffett as financial weapons of mass destruction . at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps ... | and they might actually say , wait , i can only hold double a debt and they might actually have to dump this debt on to the market . even worse , you have all of the people over here who did n't lend any money to anybody , but they really just wanted to make side bets . either the side bets might have been pure directi... | is there really no rules or laws at all to regulate all these side bets ? |
let 's think a little bit about why credit default swaps , or famously referred to by warren buffett as financial weapons of mass destruction . at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps ... | and so he says , look , i want to be completely safe here so i 'm going to pay a little bit of a premium to aig or to the writer , whoever the writer is , and in exchange i will get insurance on this debt . and it seems pretty reasonable except for the fact that this player right over here did not put out any money asi... | does a bank selling its mortgages to an investment bank required by its regulator to risk rate the mortgages for the purchaser ? |
let 's think a little bit about why credit default swaps , or famously referred to by warren buffett as financial weapons of mass destruction . at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps ... | you can imagine a situation where the economy goes bad . now , all of a sudden this company defaults on its debt and this company defaults on its debt . in fact , when the economy 's good , it 's likely that very few of these companies are going to default and when the economy goes bad , it 's likely that many of them ... | when a company that has sold debt defaults , why is only the principal considered for insurance under the cds setup ? |
let 's think a little bit about why credit default swaps , or famously referred to by warren buffett as financial weapons of mass destruction . at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps ... | now all of a sudden , if the economy goes bad and these guys say , hey , look , i 'm in a lot of trouble . good thing i have this credit default swap , but then it turns out that they do n't because the counterparty here fails , the credit default swap writer , now all of a sudden this guy becomes insolvent . but this ... | would n't it make sense for cds buyers to setup the cds so that in case of a default , the cds seller owes them not only the principal on the bond , but also the coupon payments accrued ? |
let 's think a little bit about why credit default swaps , or famously referred to by warren buffett as financial weapons of mass destruction . at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps ... | let 's think a little bit about why credit default swaps , or famously referred to by warren buffett as financial weapons of mass destruction . at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps ... | how are cds specifically associated with mortgages ? |
let 's think a little bit about why credit default swaps , or famously referred to by warren buffett as financial weapons of mass destruction . at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps ... | now all of a sudden , if the economy goes bad and these guys say , hey , look , i 'm in a lot of trouble . good thing i have this credit default swap , but then it turns out that they do n't because the counterparty here fails , the credit default swap writer , now all of a sudden this guy becomes insolvent . but this ... | how is credit default swap accounted for in the balance sheet ? |
let 's think a little bit about why credit default swaps , or famously referred to by warren buffett as financial weapons of mass destruction . at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps ... | and all of a sudden , the people over here who thought that they had insurance no longer do . and they might actually say , wait , i can only hold double a debt and they might actually have to dump this debt on to the market . even worse , you have all of the people over here who did n't lend any money to anybody , but... | how does one dump a debt onto the market ? |
let 's think a little bit about why credit default swaps , or famously referred to by warren buffett as financial weapons of mass destruction . at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps ... | i 'll do the companies in this pink color . and they want to borrow money from other parties , let 's say , investors . i 'll do the investors in this orange color . so the investors are lending them money . the companies give them interest . | when these corporations default , do the investors still have legal rights to chase and recover the debt ? |
let 's think a little bit about why credit default swaps , or famously referred to by warren buffett as financial weapons of mass destruction . at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps ... | i 'll do the companies in this pink color . and they want to borrow money from other parties , let 's say , investors . i 'll do the investors in this orange color . so the investors are lending them money . the companies give them interest . | so in a perfect scenario , investors would get back their full capital ( from writers ) and potentially a little more ( from their debt recovery efforts ) ? |
let 's think a little bit about why credit default swaps , or famously referred to by warren buffett as financial weapons of mass destruction . at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps ... | let 's think a little bit about why credit default swaps , or famously referred to by warren buffett as financial weapons of mass destruction . at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps ... | did they know credit default swaps are unregulated ? |
let 's think a little bit about why credit default swaps , or famously referred to by warren buffett as financial weapons of mass destruction . at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps ... | and they might actually say , wait , i can only hold double a debt and they might actually have to dump this debt on to the market . even worse , you have all of the people over here who did n't lend any money to anybody , but they really just wanted to make side bets . either the side bets might have been pure directi... | when more side bets were made , did the premium on the side bets increase , due to an increase demand ? |
let 's think a little bit about why credit default swaps , or famously referred to by warren buffett as financial weapons of mass destruction . at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps ... | and they might actually say , wait , i can only hold double a debt and they might actually have to dump this debt on to the market . even worse , you have all of the people over here who did n't lend any money to anybody , but they really just wanted to make side bets . either the side bets might have been pure directi... | should n't normal market pressures make side bets less enticing over time , and prevent excessive risk taking ? |
let 's think a little bit about why credit default swaps , or famously referred to by warren buffett as financial weapons of mass destruction . at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps ... | so the investors are lending them money . the companies give them interest . so investors lending money , giving interest , lending money , giving interest , lending money , giving interest . | investors could ask insurance corporation to give insurance premiums against a company and insurance corporation would surely give them insurance without taking into account the ratings of those companies ? |
let 's think a little bit about why credit default swaps , or famously referred to by warren buffett as financial weapons of mass destruction . at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps ... | at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps . aig is the most famous . but you have some writer here . | in other words , can aig write the cds and sell it to an investor that wants to take on the risk of paying the notional amount , with the potential upside of just collecting the premium amounts every quarter ? |
let 's think a little bit about why credit default swaps , or famously referred to by warren buffett as financial weapons of mass destruction . at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps ... | the only reason why they might have felt comfortable taking on some other liability is they said , look , if the economy goes really bad , i have this insurance over here . and they did that transaction with another third party . now all of a sudden , if the economy goes bad and these guys say , hey , look , i 'm in a ... | in addition , what is the impact of entering into a cds on the financial statement to either the party ( the pension fund or hedge fund or the cds issuer ) ? |
let 's think a little bit about why credit default swaps , or famously referred to by warren buffett as financial weapons of mass destruction . at the center of it -- and there 's not just one credit default swap writer , but i 'll put one in the middle because each of them are writing many , many credit default swaps ... | so if all of a sudden this one company ca n't pay its $ 1 billion , now aig is on the line not for $ 1 billion , but for $ 4 or $ 5 or $ 6 billion , however much it insured it for . so it allows people to insure for things that they do n't have the offsetting liability for . and so you can imagine , some of these peopl... | i know the so called premium will affect the profiit & loss statement , but the notional amount is not a liability , is it ? |
in this video , we are going to give ourselves an overview of ancient egypt , which corresponds geographically pretty closely to the modern day state of egypt in northeast africa . now the central feature in both ancient egypt and in modern egypt is the nile river that you see in blue right over here . and the nile ri... | but i will refer to the kings as pharaohs throughout this video , just to say , hey these are the egyptian kings . and the old kingdom is probably most known today in our popular culture for what we most associate with ancient egypt and that is the pyramids . and here , right over here are the pyramids , there 's the g... | what kind of traps were in pyramids ? |
in this video , we are going to give ourselves an overview of ancient egypt , which corresponds geographically pretty closely to the modern day state of egypt in northeast africa . now the central feature in both ancient egypt and in modern egypt is the nile river that you see in blue right over here . and the nile ri... | you have some of the great cities of the ancient world , thebes , which was the capital during parts of the new kingdom and the middle kingdom , you have memphis , which was one of the , some people say founded by menes and the capital of the old kingdom . these were all happening in ancient egypt . | how and why did ancient egyptians start believing in their religious system ? |
in this video , we are going to give ourselves an overview of ancient egypt , which corresponds geographically pretty closely to the modern day state of egypt in northeast africa . now the central feature in both ancient egypt and in modern egypt is the nile river that you see in blue right over here . and the nile ri... | he 's also noted for giving a lot of power to his wife , to the queen , nefertiti , who some people say was second in command , or even co-ruled alongside him . now he was also famous because after his death , eventually , his son , king tut , tutankhamen , comes to power . and the reason why king tut , as he 's often ... | why did king tut die at such a young age ? |
in this video , we are going to give ourselves an overview of ancient egypt , which corresponds geographically pretty closely to the modern day state of egypt in northeast africa . now the central feature in both ancient egypt and in modern egypt is the nile river that you see in blue right over here . and the nile ri... | you have the god amun here and his first name amenhotep , it means amun is satisfied . what is considered kind of the equivalent of zeus , you have the god here horus , once again a very significant god at different times in egypt , but what was interesting about amenhotep the fourth or akhenaton , whichever name you w... | is n't aten also known as ra , or the god of the sun ? |
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