4. Consciousness
The Biology of Sleep
Multiple Choice
Multiple ChoiceAs _____ accumulates in the body, a person will begin to feel sleepy.
A
melatonin
B
dopamine
C
endorphins
D
insulin
266
views
Related Videos
Related Practice
As _____ accumulates in the body, a person will begin to feel sleepy.
melatonin
dopamine
endorphins
insulin