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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There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
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Your heart will pump about 212 million liters in its lifetime.
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Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
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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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There are about 1,400 different species of bacteria in your belly button.
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In one day, adult lungs move about 10,000 litres of air.
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If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
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