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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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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.