The human body contains over a billion miles of DNA.
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It takes about 20 seconds for a red blood cell to circle the whole body.
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The largest cell in the human body is the female egg and the smallest is the male sperm.
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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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Our eyes are always the same size from birth, but our nose and ears never stop growing.
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Our Right Lungs takes more air than our left lung.
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All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
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