The human brain has the capacity to store everything that you experience.
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Your thumb is about the same size as your nose.
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Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
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Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
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If you are cold you are more likely to be hungry because you use energy to keep warm.
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Your body is creating and killing about 2.4 million red blood cells per second.
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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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