The human body contains over a billion miles of DNA.
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Your heart will pump about 212 million liters in its lifetime.
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Every year your body replaces 98% of your atoms.
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When you take a step, you are using up to 200 muscles.
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The largest cell in the human body is the female egg and the smallest is the male sperm.
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When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
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