The epithalamus controls day and night cycles through the secretion of the hormone
A)oxytocin.
B)thyroid hormone.
C)acetylcholine.
D)DHEA.
E)melatonin.

Name: The epithalamus controls day and night cycles through the secretion of the hormone A)oxytocin. B)thyroid hormone. C)acetylcholine. D)DHEA. E)melatonin.
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Question

Quizplus · Accepted Answer

The hormone secreted by the epithalamus that controls day and night cycles is melatonin. Melatonin is involved in the regulation of circadian rhythms, sleep-wake cycles, and seasonal cycles.

The Epithalamus Controls Day and Night Cycles Through the Secretion