Your body is creating and killing about 2.4 million red blood cells per second.
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It takes about 20 seconds for a red blood cell to circle the whole body.
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Every year your body replaces 98% of your atoms.
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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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Chewing gum boosts your brain power.
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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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The largest cell in the human body is the female egg and the smallest is the male sperm.
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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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