Which of the following is not a function of saliva?
A
contains fluoride to harden the tooth enamel
B
moistens food and helps stick it together to make it easier to swallow
C
begins the chemical breakdown of starches
D
helps clean the mouth
Correct Answer: contains fluoride to harden the tooth enamel
Saliva is produced by the salivary gland which helps in food digestion.
Option A) contains fluoride to harden the tooth enamel is not the function of saliva.