Question

The role of mouth in digestion of food is

• A. Food is crushed into small pieces by the teeth.
• B. Tongue helps in thorough mixing of food with saliva.
• C. Food mixes with saliva and the enzyme amylase in the mouth.
• D. All of the above.

Answer 1

The correct option is D All of the above.

Mouth is the beginning of the digestive system which plays an important role in digestion. The role of Mouth in digestion are
(a) Food is crushed into small pieces by the teeth.
(b) It mixes with saliva and the enzyme amylase (found in saliva), which breaks down starch into sugars.
(c) The tongue helps in thorough mixing of food with saliva, which helps in swallowing of food called as a bolus.

Therefore, the correct answer is option D.