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Did you know?
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.