Relacionar Columnas Excretory systemVersión en línea Match the ideas por Ana Blas Pérez 1 Kidneys 2 Urethra 3 Bladder 4 Ureters It is a tube. The urine leaves the body trough it. Urine from kidneys travels through them to the bladder. It stores the urine. They clean the blood by filtering it to take out waste.