The largest cell in the human body is the female egg and the smallest is the male sperm.
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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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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 third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
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Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
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It takes approximately 12 hours for food to entirely digest.
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It has been scientifically proven that stroking a cat can lower one's blood pressure!
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There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
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