Digestion in Mouth

What are the functions of saliva in the mouth?

• Aiding in blood circulation

• Moistening food and starting the digestion process

How does mechanical digestion of food occur in the mouth?

• The stomach grinds the food into smaller pieces

• Teeth and tongue help to break down food into smaller pieces.

What is the role of enzymes in the mouth during digestion?

• Break down carbohydrates

• Produce bile

Explain the process of formation of bolus in the mouth.

• Absorption of nutrients by the teeth and mixing with saliva

• Mechanical breakdown of food by the teeth and mixing with saliva

What are the functions of teeth in the digestion process?

• Breaking down food into smaller pieces

• Shooting food into the stomach

How does the tongue help in the digestion of food in the mouth?

• Mixing the food with saliva and pushing it towards the back of the mouth for swallowing

• Chewing the food into smaller pieces and then spitting it out

Why is saliva important for the initial digestion of food?

• Saliva prevents the growth of bacteria in the mouth

• Saliva contains enzymes that help break down carbohydrates in the food.

Describe the process of chewing and its importance in digestion.

• Chewing only serves to break the food into smaller pieces, it doesn't aid in digestion

• Chewing breaks down food into smaller pieces and mixes it with saliva, increasing the surface area for enzymes to act on and aiding in swallowing and digestion.

Name the enzyme present in the saliva?

• Amylase

• Pepsin and trypsin

Explain the importance of proper chewing for digestion.

• Digestion is not affected by how well food is chewed

• Proper chewing helps to break down food into smaller pieces and mix it with saliva, aiding in the digestion process.