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The Excretory System Notes Excretory system : Collects wastes produced by the cells and removes them from the body. Examples of wastes: water, carbon dioxide, urine & perspiration (sweat). Urinary system: Eliminates many wastes as liquid urine. Kidneys: Major organs of the urinary system, removes excess water and other waste materials by filtering blood. Nephrons: Tiny structures in the kidneys that filter liquid waste from blood to form urine. Ureters: Tubes that carry wastes from the kidneys to the urinary bladder. Urinary bladder: Muscular organ that stores urine until it passes out of the body. Urethra: Tube that opens to release urine out of the body. Other excretory organs: Organ Function/ waste product Lungs Remove water vapor and carbon dioxide from the body each time you exhale. Skin Excretes water and salts when the body is overheated. Liver Filters blood to remove harmful chemicals and bacteria. The Excretory System Notes _______________________________: Collects wastes produced by the cells and removes them from the body. Examples of wastes: ______________, __________________________, _________________, & ____________________________. _______________________________: Eliminates many wastes as liquid urine. ____________________: Major organs of the urinary system, removes excess water and other waste materials by filtering blood. ____________________: Tiny structures in the kidneys that filter liquid waste from blood to form urine. ____________________: Tubes that carry wastes from the kidneys to the urinary bladder. _________________________: Muscular organ that stores urine until it passes out of the body. ____________________: Tube that opens to release urine out of the body. Other excretory organs: Organ Function/ waste product _______________________ Remove water vapor and carbon dioxide from the body each time you exhale. _______________________ Excretes water and salts when the body is overheated. _______________________ Filters blood to remove harmful chemicals and bacteria.
