Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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The human brain has the capacity to store everything that you experience.
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It takes about 20 seconds for a red blood cell to circle the whole body.
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By weight, Bone is five times stronger than steel.
417
In one day, adult lungs move about 10,000 litres of air.
11
Your heart will pump about 212 million liters in its lifetime.
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Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
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