Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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The human sigh acts as a physiological reset button.
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A human being loses an average of 40 to 100 strands of hair a day.
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There are about 1,400 different species of bacteria in your belly button.
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Our Right Lungs takes more air than our left lung.
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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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A person can live without food for about a month, but only about a week without water.
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Held in farts enter your bloodstream and are bad for your body.
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