His erection is a natural phenomenon, which can happen at any time of day. It may be caused by the relaxing of the arteries in the penis, which widen to allow more blood in, causing swelling. This swelling puts pressure on the veins at the penis’ surface, trapping the blood and causing an erection.
Saturday, 9 January 2010
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment