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3 votes
___ regulates the body’s sleep cycles.

Select one:
a. Estrogen
b. Progesterone
c. Melatonin
d. Aldosterone

2 Answers

6 votes
C- Hope this helps :))
User Mendel
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5.6k points
4 votes

The answer is (C) Melatonin

User Kathryn
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6.8k points