Digestive System Functions and Food Processing Stages

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Questions and Answers

What are the four stages of food processing?

Ingestion, Digestion, Absorption, Egestion

What is the function of the epiglottis?

To close over the trachea, preventing food from entering it

What are the three types of lingual papillae on the tongue?

Fungiform, Filiform, Vallate

What is the role of amylase in saliva?

Helps break down starch Signup and view all the answers

What is the function of the papillae?

To grip the food and contain taste buds Signup and view all the answers

What enzyme is present in saliva and what does it do?

Salivary amylase or ptyalin, which is a carbohydrate splitting enzyme Signup and view all the answers

What is the purpose of the epiglottis?

To ensure the bolus passes into the esophagus and not down the windpipe Signup and view all the answers

What is the function of gastric juice in the stomach?

It is a mixture of stomach acid, mucus, and enzymes; it helps in breaking down proteins and lipids, and protects the stomach lining Signup and view all the answers