An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
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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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The human body contains over a billion miles of DNA.
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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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Your heart will pump about 212 million liters in its lifetime.
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Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
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There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
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