The average man's penis is three times the length of his thumb . If the average male never shaved, his b eard would b e 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 b ody could cover a b out one square inch. Women blink twice as often as men. The average person's skin weighs twice as much as the b rain. When you are looking at someone you love, your pupils dilate. 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. You guys are still looking at your thumb, aren't you?