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Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
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Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.
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There are 60,000 miles of blood vessels in every adult human.
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