Co-ordination in man is brought about by___________?
Correct answer: C. Both of these
- A. Nervous system
- B. Endocrine system
- C. Both of these
- D. none of these.
Explanation
Coordination in humans involves rapid electrical control by the nervous system and slower, longer-lasting chemical control by the endocrine system. Choosing only the nervous system ignores hormonal coordination, while choosing only the endocrine system ignores nerve impulses.
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About Neurons and Nerve Impulse
Neurons receive and transmit information through dendrites, the cell body and axons. The topic explains resting potential, depolarization, repolarization, refractory periods and saltatory conduction, followed by synaptic transmission through neurotransmitters. An action potential is distinct from the graded potential produced at a receptor.
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