Our bodies have a rhythm that varies with the time of day.This is referred to as a _____ cycle.
A) homeostatic
B) lunar
C) tachycardia
D) biometric
E) circadian

Question

Quizplus · Accepted Answer

The term "circadian" refers specifically to biological rhythms that occur on roughly a 24-hour cycle, including sleep-wake cycles, hormone production, and body temperature. Choices A, B, C, and D are not appropriate because they do not specifically refer to a daily biological rhythm.

Our Bodies Have a Rhythm That Varies with the Time