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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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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
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Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.