The human brain has the capacity to store everything that you experience.
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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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Every year your body replaces 98% of your atoms.
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It takes about 20 seconds for a red blood cell to circle the whole body.
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Your thumb is about the same size as your nose.
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The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
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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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An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
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