Question

Explain the role of mouth in the digestion of food.

• A. Food is crushed into small pieces by the teeth.
• B. The food is then mixed with saliva and the enzyme amylase (found in saliva) breaks down starch into sugars.
• C. The tongue helps in thorough mixing of food with saliva.
• D. Food goes directly through the oesophegus to the stomach,there is no breakdown of food in mouth .

Answer 1

Answer: (A), (B), (C)

The correct options are
A Food is crushed into small pieces by the teeth.
B The food is then mixed with saliva and the enzyme amylase (found in saliva) breaks down starch into sugars.
C The tongue helps in thorough mixing of food with saliva.

The role of mouth in the digestion of food:

(a) Food is crushed into small pieces by the teeth.

(b) The food is then mixed with saliva and the enzyme amylase (found in saliva) breaks down starch into sugars.

(c) The tongue helps in thorough mixing of food with saliva.