1
It is a long tube where the food goes down
2
It is a short tube where urine goes down, leaving our body
3
They remove excess water and waste products from the blood and turns them into urine
4
They are long tubes where the urine goes down to the bladder
5
The food stays ere for about three hours
6
It is like a bag that collects the urine
7
Sirve para eliminar los desechos