Erection occurs when O 1 the veins flowing out of the penis

Last updated: 4/22/2023

Erection occurs when O 1 the veins flowing out of the penis vasoconstrict O 2 the arteries of the penis vasodilate O 3 nitric oxide is released 4 the spongy erectile tissue of the penis becomes engorged with blog 5 All of these events occur to promote an erection