Relacionar Columnas The urinary systemVersión en línea The urinary system por Miguel Angel Preciado Lopez 1 What is the function of the ureters? 2 What happens when the bladder is full? 3 What do the kidneys do? 4 Which area does urine pass through when it leaves the bladder? 5 What is the difference in function between renal arteries and renal veins? It sends a message to the brain to tell us to urinate. They remove waste products and water to create urine. The ureters take urine from the kidneys to the bladder. The renal arteries carry blood to the kidneys to be cleaned while renal veins take the clean blood away. It passes through the urethra.