Labels:daily OCR: BLADDER HE BL ADDER is a muscular bag found in the lower abdomen. Although the empty bladder shaped and slightly smaller than fist, when it is full it can stretch to hold up to 500 ml (9/10 pint) of urine Urine produced DV your kidneys and stored in the bladder until it is released through tube called the urethra the urethra closed off by ring of muscle or sphincter. at the base of the bladder. When the bladder IS full, the brain tells the sphincter to relax and the muscular bladder wall forces urine out along the urethra pear ally closec
