The day-night cycle resets the human biological clock when light causes receptors in the retina to direct input to the _____ of the _____.
A)pineal gland; medulla
B)pineal gland; hypothalamus
C)suprachiasmatic nucleus; medulla
D)suprachiasmatic nucleus; hypothalamus

Question

Quizplus · Accepted Answer

The day-night cycle resets the human biological clock through light impacting receptors in the retina, which then send signals to the suprachiasmatic nucleus of the hypothalamus. This process is crucial for regulating circadian rhythms.

The Day-Night Cycle Resets the Human Biological Clock When Light