Explanations of Circadian Rhythms (717 words, 3 pages)
Biological rhythms are cyclical behaviours repeated periodically and controlled by endogenous pacemakers (internal biological clocks) and exogenous zeitgebers (external cues like light or seasonal changes). Circadian rhythms are biological cycles lasting 24 hours the sleep-wake cycle and the body temperature cycles are examples. The sleep-wake cycle is controlled by both ...
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