Q
A circadian rhythm refers to a cycle:_____________?
-
A
A. Of sexual receptivity caused by hormone cycles.
-
B
B. Of bodily activity approximately 24 hours in length.
-
C
C. Of emotional arousal.
-
D
D. During which various bodily systems are in phase.
Correct Answer:
B. B. Of bodily activity approximately 24 hours in length.