what is saliva ? state its importance
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Explanation:
Saliva is secreted into the oral cavity by the salivary glands. It contains many electrolytes, amylase enzyme, and immunoglobulins. It has following functions:
Chemical digestion of the starch in food through the action of amylase enzyme.
Moistening the food for easy swallowing.
Allows the tongue to taste the food by dissolving the food.
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