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Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.
Did you know?
The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.