During the day,the suprachiasmatic nuclei are active and function to decrease the pineal gland's secretion of _____________,which serves to raise the body's temperature and increase alertness.

Question

Quizplus · Accepted Answer

The suprachiasmatic nuclei (SCN) are the master pacemaker of the circadian system, keeping our daily rhythms in sync with the day-night cycle. During the day, the SCN inhibits the production of melatonin by the pineal gland, which serves to raise the body's temperature and increase alertness. Therefore, the correct answer is A) melatonin.

During the Day,the Suprachiasmatic Nuclei Are Active and Function to Decrease