Functions: 1 Mark each
1 - Salivary Glands 
The function of the salivary glands is to produce saliva that start digestion of food in the mouth and also to lubricate the food while swallowing.
2 - Liver
The liver is the gland that secretes bile. Bile provides an alkaline environment for many enzymes to get activated and plays an important role in the emulsification of fats. 
3 - Duodenum
The duodenum is the first part of the small intestine. It receives the pancreatic juice and the bile juice and also secretes intestinal juice and is the main site for chemical digestion.
4 - Stomach
The stomach secretes digestive fluids that break down the food. It also churns the food into a milky acidic paste called chyme.
5 - Pancreas
The pancreas secretes the pancreatic juice that helps to digest carbohydrates, proteins, and fats. The pancreatic juice converts carbohydrates into simple sugars and glucose, proteins into amino acids, and the lipids into fatty acids and glycerol.