The __________ rhythm is a biological clock that regulates body functions on a 24-hour cycle.
A) circadian
B) melatonic
C) REM
D) K-complex

Question

Quizplus · Accepted Answer

The circadian rhythm is a biological clock that regulates body functions on a 24-hour cycle, including sleep-wake cycles, hunger, and hormone production. Melatonin is a hormone that helps regulate sleep-wake cycles and is influenced by the circadian rhythm. REM (rapid eye movement) and K-complexes are sleep stages and not related to the circadian rhythm.

The __________ Rhythm Is a Biological Clock That Regulates Body