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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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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).
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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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There are more sensory neurons in the tongue than in any other part of the body.