I can't think of any reason it should. Urine is neither corrosive to flesh nor especially toxic.
You hold the urine for some time in urinary bladder. Urinary bladder is situated in your pelvic cavity. The formation of the urine is continuous process. You can not go on urinating continuously. That is why the urinary bladder is there.
The bladder stores urine before it is urinated out of the body.
The bladder.
They carry the urine to the bladder. The urethra takes urine from the bladder to the outside.
the bladder
A bag like organ that holds urine is the bladder.
Urine is stored in the bladder, a hollow organ located in the lower abdomen. The bladder expands as it fills with urine from the kidneys and contracts when it is emptied through the urethra during urination.
Urine leaves the kidneys through the ureters which are tubes that carry the urine to the bladder. The bladder stores the urine until it is expelled from the body through the urethra.
The Kidneys.Kidneys don't hold urine they produce urine which is then stored in the bladder.
Bladder
Removal of urine from the bladder.
The bladder.