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Did you know?
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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There are 20 feet of blood vessels in each square inch of human skin.
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Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.
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The horizontal fraction bar was introduced by the Arabs.