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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
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Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.
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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.