Draw a schematic diagram of villus in small intestine. Explain how digestive system coordinate with circulatory system. (AS5)

Draw the block diagram showing sensation of taste from food material to brain. (AS5)

Draw a neatly labeled diagram showing a peristaltic movement in oesophagus. Explain the importance of mucus on the walls of food pipe. (AS5)

The mere smell or sight of food stimulates hunger. Describe the process through a neat diagram? (AS5)

With the help of diagram show the movement of food from mouth to the stomach. What muscles and nerves are involved in the movement of food and what is this action called as? (AS5)