A circadian rhythm refers to a cycle
A) of sexual receptivity caused by hormone cycles.
B) of bodily activity approximately 24 hours in length.
C) of emotional arousal.
D) during which various bodily systems are in a dysfunctional state.

Question

Quizplus · Accepted Answer

Circadian rhythm is a biological cycle that lasts approximately 24 hours and governs physiological and behavioral processes in living organisms, such as the sleep-wake cycle and the release of hormones. It is not related to sexual receptivity, emotional arousal, or bodily dysfunction.

A Circadian Rhythm Refers to a Cycle