what is the function of saliva?write three function.
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when a drop of iodine solution was put on the cut surface of potatoe it turned blue-black in colour this indicates the presence of
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Answer: Three functions of saliva are:
1. Chemical digestion: breaks down starch;
2. Helps chewing and swallowing;
3. Lubricating effect: moisturizes the inside of the mouth and creates smoother speech
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