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If you could remove all of your skin, it would weigh up to 5 pounds.
Blood is approximately twice as thick as water because of the cells and other components found in it.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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