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Did you know?
Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.
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There are 20 feet of blood vessels in each square inch of human skin.