Which of the following is not a similarity between nervous and chemical coordination?
Correct answer: D. Both show response to a stimulus instantly
- A. Both help in co-ordination of body
- B. Both release messenger chemicals in extra cellular spaces of the body
- C. Both are homeostatic in function
- D. Both show response to a stimulus instantly
Explanation
This is not correct. The nervous system is known for its ability to initiate rapid responses to stimuli, often within milliseconds. The endocrine system, however, generally works at a slower pace, with hormones taking seconds to days to elicit their effects. While some hormonal responses can be relatively quick (like the release of adrenaline), they are not "instant" in the way nervous responses are.
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About Coordination and Control
Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
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