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Did you know?
During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
Did you know?
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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By definition, when a medication is administered intravenously, its bioavailability is 100%.
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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
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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.