1. It is the organ where digestion starts
a Mouth
Small intestine
stomach
d large intestine
2 What happens to the food during digestion?
a. It is changed to liquid
It disappears
It is separated from water
d. It is removed from the body
3 In which part of the digestion system does digestion end?
Mouth
c. stomach
b Small intestine
d. large intestine
4 Contains two openings lined with cilia where air passes in and ou
a Nose
c diaphragm
b. mouth
d lungs
5. The organ where exchange of oxygen and carbon dioxide Door
a diaphragm
lungs
bronchial tubes
d trachea​