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Author Question: What requirements are necessary for calcium to be absorbed through the ileum at concentrations of ... (Read 40 times) |
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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).
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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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There are 20 feet of blood vessels in each square inch of human skin.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
First-pass effect: (a) drugs are absorbed; (b) drugs enter hepatic portal circulation and go directl
At breakfast, a middle-class husband sits absorbed in the newspaper and the public affairs of the da