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organs from brain dead patients to another is called Dr. Swarnalatha in-charge of
cadaver transplantation. IIff any person is willing to Jeevandan scheme, said in a
donate organs or in needy get organs. They must
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statement. Think how great
register their names in transplantation facility Yaswanth’s parents are?
hospitals.
Collect information about a voluntary
organisation working on organ donation and make a
report.
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There is very less awareness among people about
organ donation. Society needs much awareness in
organ donation, so that we can save many lives who
are in need of different organs from donars for their
survival. Instead of living in their memories, let us
give them a chance to live in others for one more life.
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Free distribution by T.S. Government 2019-20 93
A
Chapter
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AN
5
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Co ordination - The linking system
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Sharpening of a pencil, grasping a door knob, walking or running,
LA
driving, and a few physical actions, all involve well coordinated movements
made with well balanced postures. In fact, whenever we move the three
basic functions, such as movement, balance and coordination work together
to perform purposeful motions of body parts. This is actually quite a feat,
because moving is a complex process for the body.
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Even standing upright is a difficult challenge of balancing on just two
feet with a narrow base. Yet, it is common for us not only to stand upright
easily and apparently, effortlessly, but also while keeping our balance to
perform many other functions.
What other functions do you think needed in coordination and
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balance?
All our functions are carried out by an effort of several systems
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working together. For example, while movement, we hardly ever use just
the skeletal system or muscular system alone, several other systems also
have their own roles to play. Even within the muscular system, several
muscles work in a sequence or at once.
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What triggers movement of the muscles?
All our body organs, tissues and cells work together systematically.
All of them pick up signals of change from their surroundings and respond
to them. This process triggers different functions in our body as well as
by our body. For example, it is natural to move to a side of the road when
we hear or see a car approaching.
How do we respond so fast according to situation?
94 X Class Coordination - The liking system
Responding to stimuli
What helps us to respond to such signals?
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Why does the living body respond to such signals?
We can think of a response as an effect of a change in the environment
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of the organism or signals of change or ‘stimuli’.All living organisms