More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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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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There are more bacteria in your mouth than there are people in the world.
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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
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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.
The dipolar nature of the H2O molecule
Immunoglobulin G. (b) A ribbon model of the first complete IgG molecule to be crystallized
Phospholipid molecule (phosphatidylcholine) and Schematic representation of phospholipid molecule