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TOPIC: Excretory System AIM: What are the parts ...

... H20, salt, nitrogenous wastes (urea) PARTS OF THE EXCRETORY SYSTEM Lungs Excrete CO2 & H2O vapor CO2 & H20 vapor Skin Excrete urea, salt & water in sweat ...

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TOPIC: Excretory System AIM: What are the parts ...