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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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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
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Your heart beats over 36 million times a year.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.