This image depicts key components involved in regulating your internal biological clock. Which of the labeled structures manufactures melatonin?

A) pineal gland
B) suprachiasmatic nucleus
C) optic nerve
D) None of the answers is correct.

Question

This image depicts key components involved in regulating your internal biological clock. Which of the labeled structures manufactures melatonin?

A) pineal gland 
B) suprachiasmatic nucleus 
C) optic nerve 
D) None of the answers is correct.

Quizplus · Accepted Answer

The pineal gland is responsible for producing and releasing the hormone melatonin, which helps regulate the sleep-wake cycle.

This Image Depicts Key Components Involved in Regulating Your Internal