Roughly 50 percent of humans have a penis. In this article So, by reducing the inhibition, the penis becomes erect. The angle of the dangle.
J Sex Marital Ther. 1997 Fall;23(3):195-207. Penile erections: shape, angle, and length. Sparling J(1). Author information: (1)[email protected] A U.S.
An erection is a physiological phenomenon in which the penis becomes firm, engorged, and The shape, angle, and direction of an erection varies considerably in humans. Physiologically, erection is triggered by the parasympathetic division.