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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
Blood is approximately twice as thick as water because of the cells and other components found in it.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
The average adult has about 21 square feet of skin.
Your heart beats over 36 million times a year.
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