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Did you know?
Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
Did you know?
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.