Amazing human facts.
1: Chinese and Japanese babies are born with blue marks on their bottoms that disappear when they get older.
2: The brain uses as much energy as a 10 watt light bulb.
3: You grow a new outer skin every 27 days.
4: When you blush your stomach goes red as well as your face.
5: You have 2 million glands in your skin that produce sweat.
6: Your ear contains the smallest bone called the stirrup which is 3mm long.
7: The heart beats an average of 2500 billion times during your lifetime.
8: If you made rope from human hair it could hold the weight of 100 people.
9: The nose contains 7 million olfactory receptors to enable you to smell.
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