Melatonin is secreted by the ________.
A) hypothalamus during the day
B) pineal gland during the night
C) autonomic nervous system during the winter
D) posterior pituitary gland during the day

Name: Melatonin is secreted by the ________. A) hypothalamus during the day B) pineal gland during the night C) autonomic nervous system during the winter D) posterior pituitary gland during the day
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Question

Quizplus · Accepted Answer

Melatonin is primarily secreted by the pineal gland, especially during the night, in response to darkness.

Melatonin Is Secreted by the ________