Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
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A man's beard grows fastest when he anticipates sex.
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In one day, adult lungs move about 10,000 litres of air.
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One human hair can support 3 ounces.
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On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
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The average person's skin weighs twice as much as their brain.
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Every human spent about half an hour as a single cell.
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