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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 most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
Did you know?
Thyroid conditions may make getting pregnant impossible.
Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.