What Makes an Erection Happen & How a Penis Gets Hard - why penis erect

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Erectile dysfunction - Symptoms and causes - Mayo Clinic why penis erect


Erections & How They Work. The Penis Has 2 Chambers Called The Corpora Cavernosa. They Are Made Of Spongy Tissue & Can Fill With Blood To Grow In.

WebMD explains the parts of a penis, how you get an erection, and how ejaculation happens.

This, in turn, allows blood to flow to the tissue in the penis. Once the blood fills the penis and an erection is achieved, the blood vessels to the.

An erection is a physiological phenomenon in which the penis becomes firm, engorged, and enlarged. Penile erection is the result of a complex interaction of.

What Is an Erection? An erection is a hardening of the penis that occurs when sponge-like tissue inside the penis fills up with blood. Usually, an erection causes.