Matching Pairs Excretory System MatchOnline version Test your knowledge of the human excretory system with this matching pairs game! by Rachel Jackson 1 Liver 2 Bladder 3 Skin 4 Sweat 5 Kidneys 6 Ureters 7 Urinary System 8 Urethra 9 Nephron 10 Urine 11 Excretion 12 Sphincter Carries urine from bladder to outside the body Eliminates waste from the body Functional unit of the kidney Stores urine Salty waste excreted by the skin Liquid waste excreted by the kidneys Processes waste products from cell metabolism into safer substances Process of removing wastes from the body Muscle that controls the release of urine Filter waste from blood Largest organ in the human body Transport urine from kidneys to bladder