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 body is creating and killing about 2.4 million red blood cells per second.
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Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
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An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
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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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One human hair can support 3 ounces.
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The average sperm cell swims at 8 inches per hour.
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