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Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.
Did you know?
Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
Did you know?
Your heart beats over 36 million times a year.
Did you know?
Illicit drug use costs the United States approximately $181 billion every year.