What organ can you see?
They are kidneys.
What organ is it ?
It is the bladder.
What organ is it?
It is the urethra.
What organ is it?
It is the ureter,
How many kidneys are there the urinary system?
There are two kidneys in the urinary system.
How many ureters are there the urinary system?
There are two ureters in the urinary system.
How many urethra are there the urinary system?
There is one urethra in the urinary system.
