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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Cyanide works by making the human body unable to use oxygen.
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More than 4.4billion prescriptions were dispensed within the United States in 2016.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.