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Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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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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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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The longest a person has survived after a heart transplant is 24 years.