Which part of the

i. small intestine.

In the small intestine, finger like projections called villi increases the surface area for the absorption of food.

ii. Buckle cavity (teeth)

Our teeth very in appearance and perform different functions.

iii. Stomach

The inner lining of the stomach secretes hydrochloric acid which kills the bacteria and makes the medium in the stomach acidic.

iv. Small intestine

The complete digestion of food takes place in the small intestine.

v. large intestine.

The fecal matter is removed through the anus from time-to-time.