CONTENTS

1.Food components(Proteins,fats,carbohydrates,nucleic acids)

2.Physiology of food

• Digestion in stomach
• Digestion in small intestine
• Absorption of nutrients

3.Morphology of digestive system

• Alimentary canal-Buccal cavity,tooth,dental formula,frog buccal cavity
• Pharynx(throat)
• Oesophagus(food pipe)
• Stomach
• Small intestine
• Large intestine

4.Morpholpgy of alimentary canal (four layers)

5.Digestive glands

• salivary glands
• Pancreas
• Gastric glands
• Intestinal glands
• Liver

6.Jaundice

7.Functions of liver

8.Digestive system of cockroach