Oesophagus: It is a long tubular part which connects the buccal cavity to the stomach. It only provides passage of food and here no digestion takes place.

Large intestine: This is the coiled part of intestine which is responsible for absorption of water.

Rectum: This is the last stop for food in the human body. It stores the food before it is eliminated out of the body.

*The digestion starts in the buccal cavity by the action of salivary amylase which starts digestion of starch and then it is transported to the stomach through the oesophagus where the rest of digestion takes place.