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The horizontal fraction bar was introduced by the Arabs.
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
The familiar sounds of your heart are made by the heart's valves as they open and close.
The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
Your heart beats over 36 million times a year.
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