Which of the following statements about saliva are correct? 1. Saliva – McqOptions

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1.	Which of the following statements about saliva are correct? 1. Saliva is mainly water. 2. Saliva makes it easier for us to swallow our food. 3. Saliva softens our food.
A.	1 and 2 only
B.	1 and 3 only
C.	Protective foods
D.	1, 2 and 3
Answer» E.

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