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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Enamel is hardest substance in the human body.
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Your body is creating and killing about 2.4 million red blood cells per second.
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Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
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Your heart will pump about 212 million liters in its lifetime.
26
One human hair can support 3 ounces.
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Every year your body replaces 98% of your atoms.
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