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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The average sperm cell swims at 8 inches per hour.
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It takes twice as long to lose new muscle if you stop working out than it did to gain it.
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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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All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
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Your thumb is about the same size as your nose.
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If you are cold you are more likely to be hungry because you use energy to keep warm.
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Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
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