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Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.
Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
Did you know?
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.