Saliva is a substance like water and usually frothy. Is produced in the mouths of humans and other animals, mostly, saliva is produced by the salivary glands. Human saliva is composed of water 98% rest the electrolytes, mucus.And enzyme types [1] enzymes in saliva can digest starch in food at the molecular level. The beginnings of the digestive process.In addition, the saliva also helps lubricate and protect the teeth, tongue, and some oral soft tissue
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