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The human body produces and destroys 15 million blood cells every second.
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Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Everyone has one nostril that is larger than the other.
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Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.