ureters, They are a pair of tubes through which urine leaves the kidneys and travels to the bladder. They have valves to prevent urine from flowing back towards the kidneys., bladder, It is where urine is stored. It is a muscular membranous sac in the abdomen which receives urine from the kidneys and stores it for excretion, kidneys, They are the organs that help filter waste products from the blood to form urine. They also regulate blood pressure, electrolyte balance, and cell production in the body., urethra, It is the tube that connects the bladder to the meatus for the removal of urine from the body of both females and males..

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