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 ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.
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Green tea is able to stop the scent of garlic or onion from causing bad breath.
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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.
Prenatal development in humans.
Primary embryonic membrane development
Process Flow Diagram of a Dual-Stage Pressure System
Cloud Types: Vertical Development
Development of Blood Vessels & Blood
A Sociological Timeline of Major Figures in the Development of Sociological Theory, 1820–1960