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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Your heart will pump about 212 million liters in its lifetime.
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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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If your DNA was stretched out it would reach to the moon 6,000 times.
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The average person's skin weighs twice as much as their brain.
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Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
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Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
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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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