MICROANATOMY

Detailed explanation-1: -Bladder. The bladder, located in the pelvis between the pelvic bones, is a hollow, muscular, balloon-shaped organ that expands as it fills with urine. Although a person does not control kidney function, a person does control when the bladder empties. Bladder emptying is known as urination.

Detailed explanation-2: -The urine is then passed through the ureters to the bladder, where it is stored. During urination, the urine is passed from the bladder through the urethra to the outside of the body.

Detailed explanation-3: -The urinary bladder is a temporary storage reservoir for urine. The urethra is the final passageway for the flow of urine. The flow of urine through the urethra is controlled by an involuntary internal urethral sphincter and voluntary external urethral sphincter.