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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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To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.
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Your heart beats over 36 million times a year.
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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.