questionID stringlengths 10 10 | question_text stringlengths 5 342 | answer_choices stringlengths 17 546 | correct_answer stringclasses 7
values | context stringclasses 664
values |
|---|---|---|---|---|
NDQ_007501 | Types of muscle tissue include | a. skeletal muscle, b. cardiac muscle, c. smooth muscle, d. all of the above | d | Lesson: introduction to the human body
Organization of the Human Body:
The basic building blocks of the human body are cells. Human cells are organized into tissues, tissues are organized into organs, and organs are organized into organ systems.
Human Cells:
The average human adult consists of an incredible 100 tril... |
NDQ_007502 | Nervous tissue makes up most of the | a. lungs, b. kidneys, c. brain, d. stomach | c | Lesson: introduction to the human body
Organization of the Human Body:
The basic building blocks of the human body are cells. Human cells are organized into tissues, tissues are organized into organs, and organs are organized into organ systems.
Human Cells:
The average human adult consists of an incredible 100 tril... |
NDQ_007503 | How does the hormone insulin help maintain homeostasis in the human body? | a. It helps cells absorb sugar from the blood after you eat and digest food, b. It stimulates the production of sweat on a hot day to cool the body, c. It controls the contractions of cardiac muscles when you work out, d. It keeps the level of carbon dioxide in the blood within a narrow range | a | Lesson: introduction to the human body
Organization of the Human Body:
The basic building blocks of the human body are cells. Human cells are organized into tissues, tissues are organized into organs, and organs are organized into organ systems.
Human Cells:
The average human adult consists of an incredible 100 tril... |
NDQ_007504 | What is the basic function of the circulatory system? | a. transporting substances, b. taking in oxygen, c. controlling sensations, d. allowing movement | a | Lesson: introduction to the human body
Organization of the Human Body:
The basic building blocks of the human body are cells. Human cells are organized into tissues, tissues are organized into organs, and organs are organized into organ systems.
Human Cells:
The average human adult consists of an incredible 100 tril... |
NDQ_007505 | Type(s) of tissue found in the human heart and blood vessels include | a. nervous tissue, b. epithelial tissue, c. connective tissue, d. all of the above | d | Lesson: introduction to the human body
Organization of the Human Body:
The basic building blocks of the human body are cells. Human cells are organized into tissues, tissues are organized into organs, and organs are organized into organ systems.
Human Cells:
The average human adult consists of an incredible 100 tril... |
NDQ_007506 | The integumentary system includes the | a. skin, b. nails, c. hair, d. all of the above | d | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007509 | Structures in the epidermis include | a. sebaceous glands, b. hair follicles, c. melanocytes, d. all of the above | c | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007510 | How does melanin protect the dermis from ultraviolet light? | a. It reflects ultraviolet light, b. It absorbs ultraviolet light, c. It changes ultraviolet light to visible light, d. It changes ultraviolet light to vitamin D | b | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007513 | The dermis consists mainly of | a. epithelial tissue, b. muscle tissue, c. nervous tissue, d. connective tissue | d | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007515 | Which structures are found in the lower layer of skin? | a. nerve endings, b. blood vessels, c. sweat glands, d. all of the above | d | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007520 | The human skin is about 2 centimeters thick. | a. true, b. false | b | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007523 | All the cells on the surface of the epidermis are dead. | a. true, b. false | a | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007525 | People with light skin have fewer melanocytes per square inch than people with dark skin. | a. true, b. false | b | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007526 | The production of melanin in the skin is stimulated by exposure to ultraviolet light. | a. true, b. false | a | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007527 | The function of sebum is to waterproof the hair and skin. | a. true, b. false | a | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007528 | The skin helps maintain homeostasis by regulating body temperature. | a. true, b. false | a | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007529 | Sweat contains only water and salt. | a. true, b. false | b | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007530 | _____The main cause of acne is eating greasy foods. | a. true, b. false | b | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007531 | When blood vessels in the skin dilate, more heat reaches the body surface. | a. true, b. false | a | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007532 | Skin damaged by ultraviolet light is at greater risk of developing cancer. | a. true, b. false | a | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007533 | Hair grows longer because it is made up of living cells. | a. true, b. false | b | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007534 | Sweat reaches the surface of the skin by traveling through hair follicles. | a. true, b. false | b | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007535 | __outer layer of the skin | a. melanocyte, b. follicle, c. sebum, d. dermis, e. epidermis, f. keratin, g. skin | e | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007536 | __tough protein that fills hair cells | a. melanocyte, b. follicle, c. sebum, d. dermis, e. epidermis, f. keratin, g. skin | f | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007537 | __skin structure where a hair originates | a. melanocyte, b. follicle, c. sebum, d. dermis, e. epidermis, f. keratin, g. skin | b | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007538 | __major organ of the integumentary system | a. melanocyte, b. follicle, c. sebum, d. dermis, e. epidermis, f. keratin, g. skin | g | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007539 | __oily substance secreted by glands in the skin | a. melanocyte, b. follicle, c. sebum, d. dermis, e. epidermis, f. keratin, g. skin | c | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007540 | __inner layer of the skin | a. melanocyte, b. follicle, c. sebum, d. dermis, e. epidermis, f. keratin, g. skin | d | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007541 | __type of cell that produces a brown pigment in skin | a. melanocyte, b. follicle, c. sebum, d. dermis, e. epidermis, f. keratin, g. skin | a | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007542 | Functions of the integumentary system include | a. maintaining a stable body temperature, b. preventing the body from drying out, c. keeping bacteria out of the body, d. all of the above | d | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007543 | The outer layer of the skin contains | a. blood vessels, b. nerve endings, c. sweat glands, d. melanocytes | d | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007544 | The epidermis consists almost entirely of | a. epithelial tissue, b. connective tissue, c. muscle tissue, d. nervous tissue | a | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007545 | The dermis is attached to the epidermis by | a. collagen fibers, b. muscle fibers, c. keratin fibers, d. nerve fibers | a | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007546 | What is the function of sebum? | a. keeping the body cool, b. absorbing ultraviolet light, c. waterproofing the hair and skin, d. none of the above | c | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007547 | The major cause of acne is | a. exposure to sunlight, b. infection by bacteria, c. overproduction of sweat, d. lack of sleep | b | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007548 | The dermis contains all of the following except | a. sebaceous glands, b. hair follicles, c. melanin-producing cells, d. sweat glands | c | Lesson: the integumentary system
Structure of the Skin:
From the outside, the skin looks plain and simple, as you can see in Figure 16.5. But at a cellular level, theres nothing plain or simple about it. A single square inch of skin contains about 20 blood vessels, hundreds of sweat glands, and more than a thousand ne... |
NDQ_007549 | Components of the skeletal system include | a. bones, b. cartilage, c. ligaments, d. all of the above | d | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007550 | The adult skeleton consists of | a. 56 bones, b. 76 bones, c. 106 bones, d. 206 bones | d | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007551 | Functions of the skeletal system include | a. making blood cells, b. storing calcium, c. giving the body shape, d. all of the above | d | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007552 | Cartilage is a tough, flexible tissue that contains the protein | a. keratin, b. cuticle, c. collagen, d. periosteum | c | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007553 | Blood cells are produced by | a. bone marrow, b. compact bone, c. spongy bone, d. cartilage | a | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007554 | Which type of tissue gives bones their strength? | a. periosteum, b. compact bone, c. spongy bone, d. bone marrow | b | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007555 | Immovable joints connect the bones of the | a. rib cage, b. shoulder, c. skull, d. none of the above | c | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007556 | Why do the ends of long bones ossify later than other parts of the skeleton? | a. to cushion the ends of the bones, b. to prevent growing pains in the bones, c. to allow the bones to grow in width, d. to allow the bones to grow in length | d | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007557 | Partly movable joints are held together by | a. collagen, b. keratin, c. cartilage, d. ligaments | c | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007558 | Which bones are connected by partly movable joints? | a. bones of the skull, b. bones of the ribcage, c. bones of the arms, d. bones of the legs | b | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007560 | Which joint moves like the hinge on a door? | a. shoulder, b. elbow, c. knee, d. back | c | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007562 | Which statement about bone fractures is false? | a. Bone fractures naturally heal on their own, b. Bone fractures are caused by excess stress on bone, c. People with osteoporosis have an increased risk of bone fractures, d. none of the above | d | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007563 | Bones release stored calcium to the blood as needed. | a. true, b. false | a | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007566 | Bones are like chalk: dead, dry, and brittle. | a. true, b. false | b | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007568 | Bones are organs made up of four types of bone tissues. | a. true, b. false | a | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007569 | Compact bone lies between spongy bone and periosteum. | a. true, b. false | a | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007570 | An example of a ball-and-socket joint is the elbow. | a. true, b. false | b | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007571 | Calcium and vitamin D are needed to keep bones strong. | a. true, b. false | a | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007572 | Blood cells are produced by compact bone. | a. true, b. false | b | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007573 | People with osteoporosis have an increased risk of bone fractures. | a. true, b. false | a | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007574 | By birth, the human skeleton consists entirely of bone. | a. true, b. false | b | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007575 | Bones grow thicker when they are put under stress by muscles. | a. true, b. false | a | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007576 | A sprain occurs when a bone bends but doesnt break. | a. true, b. false | b | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007577 | The adult skeletal system contains 206 bones. | a. true, b. false | a | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007578 | __type of bone tissue that contains many tiny pores | a. compact bone, b. ossification, c. cartilage, d. spongy bone, e. periosteum, f. ligament, g. bone marrow | d | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007579 | __tough, fibrous tissue that forms the outer layer of bone | a. compact bone, b. ossification, c. cartilage, d. spongy bone, e. periosteum, f. ligament, g. bone marrow | e | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007580 | __type of bone tissue that is very dense and hard | a. compact bone, b. ossification, c. cartilage, d. spongy bone, e. periosteum, f. ligament, g. bone marrow | a | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007581 | __band of fibrous tissue that holds bones together | a. compact bone, b. ossification, c. cartilage, d. spongy bone, e. periosteum, f. ligament, g. bone marrow | f | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007582 | __soft tissue inside spongy bone that makes blood cells | a. compact bone, b. ossification, c. cartilage, d. spongy bone, e. periosteum, f. ligament, g. bone marrow | g | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007583 | __tough, flexible connective tissue containing collagen | a. compact bone, b. ossification, c. cartilage, d. spongy bone, e. periosteum, f. ligament, g. bone marrow | c | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007584 | __process in which cartilage changes to bone | a. compact bone, b. ossification, c. cartilage, d. spongy bone, e. periosteum, f. ligament, g. bone marrow | b | Lesson: the skeletal system
Components of the Skeletal System:
Bones are the main organs of the skeletal system. In adults, the skeleton consists of a whopping 206 bones, many of them in the hands and feet. You can see many of the bones of the human skeleton in Figure 16.10. The skeletal system also includes cartilage... |
NDQ_007592 | To straighten your arm at the elbow, you would contract the | a. quadriceps muscle, b. biceps muscle, c. triceps muscle, d. elbow muscle | c | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007593 | __organelle that allows muscles to contract | a. actin, b. cardiac muscle, c. smooth muscle, d. muscle fiber, e. tendon, f. myofibril, g. skeletal muscle | f | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007594 | __muscle found in the walls of internal organs except the heart | a. actin, b. cardiac muscle, c. smooth muscle, d. muscle fiber, e. tendon, f. myofibril, g. skeletal muscle | c | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007595 | Smooth muscle is | a. arranged in bundles, b. striped, c. involuntary, d. two of the above | c | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007596 | The energy for a muscle contraction comes from | a. actin, b. myosin, c. ATP, d. myofibrils | c | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007597 | __tough connective tissue that attaches muscle to bone | a. actin, b. cardiac muscle, c. smooth muscle, d. muscle fiber, e. tendon, f. myofibril, g. skeletal muscle | e | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007598 | __long, thin muscle cell | a. actin, b. cardiac muscle, c. smooth muscle, d. muscle fiber, e. tendon, f. myofibril, g. skeletal muscle | d | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007599 | Which statement about cardiac muscle is false? | a. It causes the heart to beat, b. It is under conscious control, c. It is striated muscle, d. none of the above | b | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007600 | __muscle found in the walls of the heart | a. actin, b. cardiac muscle, c. smooth muscle, d. muscle fiber, e. tendon, f. myofibril, g. skeletal muscle | b | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007601 | Skeletal muscles are attached to bones by | a. ligaments, b. cartilage, c. muscle fibers, d. tendons | d | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007603 | __protein filament that slides over another when a muscle contracts | a. actin, b. cardiac muscle, c. smooth muscle, d. muscle fiber, e. tendon, f. myofibril, g. skeletal muscle | a | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007605 | __most common type of muscle in the body | a. actin, b. cardiac muscle, c. smooth muscle, d. muscle fiber, e. tendon, f. myofibril, g. skeletal muscle | g | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007613 | The human heart is composed almost completely of muscle. | a. true, b. false | a | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007614 | When a muscle contracts, it gets longer. | a. true, b. false | b | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007616 | Actin filaments slide over myosin filaments when a muscle contracts. | a. true, b. false | a | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007619 | Contractions of skeletal muscles are involuntary. | a. true, b. false | b | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007620 | Weight-bearing exercises increase muscle strength. | a. true, b. false | a | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007621 | Each muscle fiber contains many | a. nuclei, b. mitochondria, c. myofibrils, d. all of the above | d | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007622 | Cardiac muscle is | a. striated, b. arranged in sheets, c. under conscious control, d. all of the above | a | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007623 | Which statement about smooth muscle is true? | a. It is arranged in bundles, b. Its contractions are voluntary, c. It is needed for the digestion of food, d. It is found in the walls of all internal organs | c | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007624 | How many skeletal muscles are there in the human body? | a. fewer than 60, b. about 160, c. about 320, d. more than 600 | d | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007625 | A single muscle can | a. only contract, b. actively lengthen, c. move a bone back and forth, d. two of the above | a | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007626 | The name of the muscle that bends the arm at the elbow is the | a. biceps muscle, b. elbow muscle, c. triceps muscle, d. upper arm muscle | a | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007627 | Which form(s) of exercise would increase the strength of cardiac muscle? | a. running, b. biking, c. weight lifting, d. two of the above | d | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007628 | There are four different types of muscle tissues in the human body. | a. true, b. false | b | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007629 | Aerobic exercise increases muscle endurance. | a. true, b. false | a | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007630 | Tendons attach one bone to another at a joint. | a. true, b. false | b | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007631 | Skeletal muscles work in pairs. | a. true, b. false | a | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007632 | The quadriceps is a muscle in the upper arm. | a. true, b. false | b | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007633 | Sit-ups and pushups increase muscle size and strength. | a. true, b. false | a | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007634 | Muscle contractions are responsible for virtually all movements of the body. | a. true, b. false | a | Lesson: the muscular system
What Are Muscles:
Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure 16.16. It contains multiple nuclei and many mitochondria, which produce ATP for energy. It a... |
NDQ_007635 | The six major types of nutrients include | a. starches, b. amino acids, c. lipids, d. all of the above | c | Lesson: food and nutrients
Why Your Body Needs Food:
Your body needs food for three purposes: 1. Food gives the body energy. You need energy for everything you do. The energy in food is measured in a unit called the Calorie. 2. Food provides building materials for the body. The body needs building materials for growth... |
NDQ_007636 | __state in which the body does not contain enough water | a. trans fat, b. macronutrient, c. carbohydrate, d. dehydration, e. protein, f. micronutrient, g. mineral | d | Lesson: food and nutrients
Why Your Body Needs Food:
Your body needs food for three purposes: 1. Food gives the body energy. You need energy for everything you do. The energy in food is measured in a unit called the Calorie. 2. Food provides building materials for the body. The body needs building materials for growth... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.