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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
The horizontal fraction bar was introduced by the Arabs.
Blood is approximately twice as thick as water because of the cells and other components found in it.
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
If you could remove all of your skin, it would weigh up to 5 pounds.
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