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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?
The average office desk has 400 times more bacteria on it than a toilet.
Did you know?
It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.
Did you know?
Cyanide works by making the human body unable to use oxygen.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.