The micturition reflex results in

A. contraction of smooth muscle in the bladder and relaxation of urinary sphincters.
B. vigorous contraction of the smooth muscle of the large intestine and relaxation of anal sphincters.
C. a decrease in blood pressure due to a slowing of heart rate.
D. retention of urine and feces by relaxing some muscles and contracting others.


Answer: A

Anatomy & Physiology

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