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Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
Did you know?
Illicit drug use costs the United States approximately $181 billion every year.
Did you know?
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.