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Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
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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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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.