HBS: 3.4 / renal quiz
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Urine Waste material that is secreted by the kidney, is rich in end products (as urea, uric acid, and creatinine) of protein metabolism together with salts and pigments, and forms a clear amber and usually slightly acid fluid.
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Water helps regulate body temperature, moistens tissues in the eyes, mouth and nose, lubricates joints, dissolves minerals and nutrients to make them accessible to the body, flushes out waste products and helps deliver nutrients and oxygen to cells. Without this vital resource, many systems of the body would shut down.
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Water is lost in urine, sweat, feces, and in evaporation from the lungs.
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water makes up about 60 percent of body mass.
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