Cool Facts about Human Body Scientists say the higher your I.Q. The more you dream. The largest cell in the human body is the female egg and the smallest is the male sperm. You use 200 muscles to take one step. The average woman is 5 inches shorter than the average man. Your big toes have two bones each while the rest have three. A pair of human feet contains 250,000 sweat glands. A full bladde..
