Multiple choice

Which of the following statements about saliva is not correct?

  1. Saliva contains a digestive enzyme called salivary amylase.

  2. It gives rise to germs that cause tooth decay.

  3. It dissolves some food particles to stimulate taste buds.

  4. It moistens and lubricates food to help in swallowing.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Statement b is not correct as saliva destroys the germs that cause tooth decay.

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