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Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
Did you know?
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.