Ask your own question, for FREE!
Biology 9 Online
OpenStudy (anonymous):

what make a penis get erected? `

OpenStudy (anonymous):

Blood flow to the penis

thomaster (thomaster):

It's caused by the rise of nitric oxide levels in the trabecular arteries and smooth muscle of the penis. The arteries dilate causing the corpora cavernosa and the corpora spongiosum of the penis to fill with blood.

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Latest Questions
Arriyanalol: i need help
1 day ago 7 Replies 1 Medal
Arriyanalol: CONGRATS to me
1 day ago 8 Replies 2 Medals
Legomaster346: What colleges are good that are near Arab Alabama?
1 week ago 5 Replies 0 Medals
Arriyanalol: i need help
1 week ago 6 Replies 2 Medals
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!