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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.

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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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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

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Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

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Video: Forming urine ( influencing factors), Forming dilute urine & Forming concentrated urine

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