Fact: The world's largest recorded penis belongs to 41-year-old New Yorker Jonah Falcon, whose appendage measures 9.5 inches flaccid and 13.5 inches erect. Fact: The impulse to ejaculate comes from the spinal cord; no brain is needed.

Fact: The average male > orgasm lasts six seconds; the average female orgasm lasts twenty seconds.

Fact: The left testicle usually hangs lower than the right for right-handed men. The opposite is true for lefties.

Fact: The average vagina is three to four inches long but can expand by 200 percent when sexually aroused. It's an optimistic organ.

Fact: Orgasms can lower a woman's risk of heart disease, stroke, breast cancer, and depression. >