Erection of the penis occurs when
A) the pubic bones move together.
B) the bulbourethral muscles contract.
C) lymphatic fluid accumulates in the glans penis.
D) penile erectile tissue becomes engorged with blood.
E) smooth muscle contraction occurs in ductus deferens.

Question

Quizplus · Accepted Answer

Erection of the penis is primarily due to the engorgement of the penile erectile tissue with blood, not due to the movement of bones, contraction of specific muscles, accumulation of lymphatic fluid, or smooth muscle contraction in the ductus deferens.

Erection of the Penis Occurs When