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Q: Which of the following is not a function of saliva?

  • 1
    contains fluoride to harden the tooth enamel
  • 2
    moistens food and helps stick it together to make it easier to swallow
  • 3
    begins the chemical breakdown of starches
  • 4
    helps clean the mouth
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Answer : 1. "contains fluoride to harden the tooth enamel"
Explanation :

Answer: A) contains fluoride to harden the tooth enamel Explanation: 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.

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