Which of the following has been shown to fluctuate based on circadian rhythms?

Question

Quizplus · Accepted Answer

Body temperature has been shown to follow a circadian rhythm, with a peak in the late afternoon and a trough in the early morning. This is due to changes in the body's internal clock and regulation of hormones throughout the day.

D is also a possible answer as serotonin levels have been shown to follow a circadian rhythm, with lower levels in the evening and higher levels in the morning. However, A is the best choice as it is a more general and well-established example of a circadian rhythm.

Which of the Following Has Been Shown to Fluctuate Based