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Did you know?
Your heart beats over 36 million times a year.
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
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The average adult has about 21 square feet of skin.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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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.