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Your heart beats over 36 million times a year.
There are 20 feet of blood vessels in each square inch of human skin.
By definition, when a medication is administered intravenously, its bioavailability is 100%.
Everyone has one nostril that is larger than the other.
Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.
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