Which part of the digestive canal (route) is involved in...

Question

1) chewing of food

2) killing of bacteria

3) complete digestion of food

4) formation of faeces

Answer 1

mouth,stomach,small intestine,large intestine

Answer 2

1) oral cavity

2) oral cavity+stomach

3) small intestine ( duodenum)

4) large intestine  

Answer 3

1) Mouth

2) Stomach

3) Small intestine

4) Large Intestine