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The human body produces and destroys 15 million blood cells every second.
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Your heart beats over 36 million times a year.
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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.