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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?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
The average adult has about 21 square feet of skin.
Did you know?
Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
Did you know?
There are approximately 3 million unintended pregnancies in the United States each year.

