Labels:book | bulletin board | door | gastrula | gong | mirror | sky | tree | windowpane OCR: ANATOMY )F THE BLADDER HE BLADDER is a bag that receives is full, the muscular wall contracts to urine from the kidneys, stores it force urine down the urethra. which then releases IT from the body during leads out of the body At the base of urination wall is folded and elastic the bladder there are two ring like so it can expand to store over 500 ml muscles. called sphincters, which (9/10 pint) of urine When the bladder control the release of urine Ureter Rugae Lining of Folds the in em pty the lining bladder the bladder Trigone Ureter opening Triangular area between the openings of the ureters and the urethra Internal sphincter External sphincter Urethra umop
