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Did you know?
The average adult has about 21 square feet of skin.
Did you know?
Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
Did you know?
There are 60,000 miles of blood vessels in every adult human.