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Did you know?
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.