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Did you know?
The average office desk has 400 times more bacteria on it than a toilet.
Did you know?
Your heart beats over 36 million times a year.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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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.