It is a very long thin tube. There are a lot of blood vessels around the tube and the nutrients pass into the blood
small intestine
It is a wide tube. It is connected to the anus
large intestine
It collects the urine. When it is full it´s time to go to the toilet
bladder
Two long tubes where the urine goes down to the bladder
ureters
They remove excess water and waste products from the blood
kidneys
