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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It takes about 20 seconds for a red blood cell to circle the whole body.
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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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For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
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It takes approximately 12 hours for food to entirely digest.
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Our brains have a negativity bias and will remember bad memories more than good ones.
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The average person will go on a date at least 100 times before they finally marry.
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The human brain is more active during sleep than during the day.
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