Question

What is the role of saliva in the digestion of food? [3 Marks]

Answer 1

The role of saliva in the digestion of food are as follows:
a. It moistens the food for easy swallowing.
[1 Mark]
b. It changes the pH level of the food into alkaline so that the break down of starch can be initiated.
[1 Mark]
c. It contains a digestive enzyme called salivary amylase, which breaks down starch into maltose.
[1 Mark]