Circadian rhythms are based on approximately a:
Correct answer: C. 24-hour period
- A. 2-hour period
- B. 7-day period
- C. 24-hour period
- D. 365-day period
Explanation
Circadian rhythms are the physical, mental, and behavioral changes an organism experiences over a 24-hour cycle.
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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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