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Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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Everyone has one nostril that is larger than the other.
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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.