Ejaculation occurs when the ________ system stimulates smooth muscle of the ductus deferens, ejaculatory ducts, and the prostate gland to ________.

A. parasympathetic nervous; relax
B. parasympathetic nervous; contract
C. central nervous; relax
D. sympathetic nervous; contract
E. sympathetic nervous; spasm


Answer: D

Health & Biomechanics

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