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When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).
There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
By definition, when a medication is administered intravenously, its bioavailability is 100%.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.