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Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
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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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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.