30 Facts about Human Body
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Approximately 75% of human poop is made of water. Your eyes are always the same size from birth but your nose and ears never stop growing. It takes the food seven seconds to get from your mouth to your stomach. Your brain is more active during the night than the day. One human hair can support 3kg. Human thighbones are stronger than concrete. The tooth is the only part of the human body that can't repair itself. An average human loses about 200 head hairs per day. It is impossible to lick your elbow. Your body requires 1000-1500 calories per day just to simply survive (breathing, sleeping, eating). Every day an adult body produces 300 billion new cells. 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 it the male sperm. You use 200 muscles to take one step. Muscle cells live as long as you do while skin cells live less than 24 hours. A full bladder is roughly the size of a soft ball. Your brain operates on...