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Did you know?
Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.
Did you know?
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.