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Did you know?
Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.
Did you know?
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
Did you know?
For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.
Did you know?
Your heart beats over 36 million times a year.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.