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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?
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
Did you know?
Excessive alcohol use costs the country approximately $235 billion every year.
Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
Did you know?
The average office desk has 400 times more bacteria on it than a toilet.