Labels:tree OCR: BLADDER BLADDER is a muscular kidneys. At the base of the bag in the lower abdomen, bladder is the urethra thin- which expands as it fills with urine. walled muscular tube through Two long thin tubes called ureters which urine is expelled from the open into the back of the bladder, body The urethra IS much shorter delivering urine produced in the women than it is in men. Ureter Bladder wall ade up of layers of m uscles, which stretch to store urine and contract to expel it Urethra Muscular tube that conv reys urine out of the body conveys
