None - BUT Urine from kidneys.
chloroplast
The kidneys process the urine and the bladderholds it.
The liver.
The urinary bladder stores the urine in the frog.
Urine is produced in the kidneys. It is the 'waste' filtered from the blood.
The kidneys produce urine.
The ureter leads urine out of the kidney and into the bladder.
kidneys
Urinary bladder
The kidneys.
It is the bladder.