explain how the skin also play a great role in the excretion of liquid body wastes
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Alongside its role as a protective barrier, the skin helps us maintain the right internal temperature and allows us to sense the world through nerve endings. Skin is a complex organ; an average square inch of skin contains 650 sweat glands, 20 blood vessels, and more than 1,000 nerve endings.
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The skin plays a role in excretion through the production of sweat by sweat glands. Sweating eliminates excess water and salts, as well as a small amount of urea, a byproduct of protein catabolism. The large intestine also collects and excretes wastes from throughout the body, including bilirubin in bile.
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