Which of the following statements about the body's circadian rhythm is accurate?
A)Exposure to light in the late evening can strengthen the circadian rhythm.
B)Exercise is the strongest "time-giver" associated with the circadian rhythm.
C)Every cell in the body has a sleep-wake cycle.
D)People can train their bodies and brains so that light does not affect their circadian rhythm.

Question

Quizplus · Accepted Answer

Every cell in the body indeed has its own circadian rhythm, which is part of the broader system that regulates the sleep-wake cycle, among other functions. This cellular-level rhythm is influenced by the central circadian clock located in the brain but operates in a somewhat autonomous manner within each cell.

Which of the Following Statements About the Body's Circadian Rhythm