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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?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
Did you know?
There are approximately 3 million unintended pregnancies in the United States each year.
Did you know?
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.