Multiple Choice
Melatonin, considered to be the hormone linked to sleep and wake cycles because there are large numbers of melatonin receptors in the suprachiasmatic nucleus, is secreted by what gland?
A) Pineal gland
B) Parotid gland
C) Pituitary gland
D) Parathyroid gland
Correct Answer:

Verified
Correct Answer:
Verified
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