Showing position of large intestine, small intestine and rectum

Functions of pancreas: Pancreas secretes pancreatic juice. The pancreatic juice contains digestive enzymes. The Trypsin enzyme is used for digesting proteins, pancreatic amylase for break down of starch and pancreatic lipase to digest fats.
Pancreas also secrete hormones, known as insulin and glucagon which maintain the sugar levels of the body.

Function of hydrochloric acid are
(i) It makes the acidic medium which is necessary for the action of gastric enzymes like pepsin.
(ii) It kills most of the harmful bacteria present in the food.

Oesophagus.