The human brain has the capacity to store everything that you experience.
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An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
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It takes about 20 seconds for a red blood cell to circle the whole body.
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The average sperm cell swims at 8 inches per hour.
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If your DNA was stretched out it would reach to the moon 6,000 times.
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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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Enamel is hardest substance in the human body.
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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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