- The largest cell in the human body is the female egg, and the smallest is the male sperm.

- A full bladder is roughly the size of a soft ball.

- It takes food seven seconds to get from your mouth to your stomach.

- The attachment of human muscles to skin is what causes dimples.

- The average man's penis is three times the length of his thumb.

- A woman's heart beats faster than a man's.

- If the average male never shaved, his beard would be 13 feet long when he died.

- Men with hairless chests are more likely to get cirrhosis of the liver than men with hair.

- There are about one trillion bacteria on each of your feet

- Side by side, 2000 cells from the human body could cover about one square inch.

- Women blink twice as much as men.

- The average person's skin weighs twice as much as their brain.

- When you are looking at someone you love, your pupils dilate; they do the same when you looking at someone you hate.

- Your ears secrete more earwax when you are afraid than when you aren't.

- Your body uses 300 muscles to balance itself when you are standing still.

- If saliva cannot dissolve something, you cannot taste it.

- The average woman is 5 inches shorter than the average man