Multiple Choice
Ejaculation is controlled by a reflex arc that involves several nerves and neurotransmitters.The final neurotransmitter in this arc that directly stimulates the contraction of the muscularis of the male reproductive tract is:
A) Acetylcholine.
B) Nitric oxide.
C) Oxytocin.
D) Norepinephrine.
E) Somatostatin.
Correct Answer:

Verified
Correct Answer:
Verified
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