The internal pacemaker that sets biological rhythms
A)Is located in the brain
B)Is located in the heart
C)Does not function in the absence of light or other environmental cues
D)Both is located in the brain and does not function in the absence of light or other environmental cues are correct
E)None of the choices are correct

Question

Quizplus · Accepted Answer

The internal pacemaker that sets biological rhythms is located in the brain, specifically in the suprachiasmatic nucleus (SCN) of the hypothalamus. This structure receives information about light and other environmental cues from the eyes and uses this information to synchronize the body's rhythms with the environment.

The Internal Pacemaker That Sets Biological Rhythms