1. Function: Eliminate (get rid of) wastes.
Excretory System
Function: Eliminate (get rid of) wastes.

2. Lungs Skin Liver Urinary Tract Rectum
Organs
Lungs
Skin
Liver
Urinary Tract
Rectum

3. --Eliminate carbon dioxide.
Lungs
--Eliminate carbon dioxide.

4. --Skin sweats out salt and water.

5. Breaks down wastes from metabolism and damaged red blood cells.
Liver
Breaks down wastes from metabolism and damaged red blood cells.

6. Kidneys Ureters Bladder Urethra
Urinary Tract Organs
Kidneys
Ureters
Bladder
Urethra

7. --Filters blood to remove liquid wastes. --Makes urine (pee).
Kidneys
--Filters blood to remove liquid wastes.
--Makes urine
(pee).

8. --Passes urine from the kidney to the urinary bladder.
Ureter
--Passes urine from the kidney to the urinary bladder.

9. --Holds urine until you urinate (pee).
Urinary Bladder
--Holds urine until you urinate (pee).

10. --Passes the urine from the bladder to the outside of the body.
Urethra
--Passes the urine from the bladder to the outside of the body.

11. Passes the solid wastes to the outside of the body.
Rectum
Passes the solid
wastes to the
outside of the
body.

12. --The process of filtering out (or removing) wastes.
Filtration
--The process of filtering out (or removing) wastes.