what is saliva ? give briefly answer
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Saliva: a watery secretion in the mouth produced by the salivary glands that aids in the digestion of food. Saliva also serves to moisten and cleanse the mouth, including the tongue and teeth, and contains substances that can play a role in the prevention of infection. Saliva aids digestion by moistening food and contains enzymes that begin the digestion process. Also known as spit.
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Heya,
Saliva is a watery liquid produced in our mouth. It helps us to swallow and digest food.
Hope it helps u..
Saliva is a watery liquid produced in our mouth. It helps us to swallow and digest food.
Hope it helps u..
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