The human brain has the capacity to store everything that you experience.
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If your DNA was stretched out it would reach to the moon 6,000 times.
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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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When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
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Your thumb is about the same size as your nose.
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Your body is creating and killing about 2.4 million red blood cells per second.
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It takes about 20 seconds for a red blood cell to circle the whole body.
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