Question

question 53
which component of saliva neutralizes acidic foods?
a water
b mucus
c amylase
d bicarbonate

Explanation:

Saliva contains bicarbonate ions which act as a buffer. They can react with hydrogen ions from acidic foods to neutralize them. Water is a solvent, mucus helps with lubrication, and amylase is an enzyme for carbohydrate - digestion.

Answer:

D. Bicarbonate