As sunlight decreases in the fall, the amount of serotonin released _________ and the amount of melatonin ________.
A. randomly fluctuates; decreases
B. randomly fluctuates; increases
C. decreases; increases
D. increases; decreases
Select your answer:
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Properties of the Hair › ViewShaving, clipping, and cutting the hair on the head
A. makes it grow back faster
B. makes it grow back darker
C. makes it grow back thicker
D. has no effect at all
Human Physiology › View
Which is respnsible for thermoregulation
A. Medulla
B. Corpus Callosum
C. Pons
D. Hypothalamus