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Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.