What is Saliva???¿
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Saliva is an extracellular fluid produced and secreted by salivary glands in the mouth. In humans, saliva is 98% water plus electrolytes, mucus, white blood cells, epithelial cells, enzymes, antimicrobial agents such as secretory IgA, and lysozymes.
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Saliva is a digestive juice produced by the salivary gland in the mouth. When we chew food, our teeth break the food into smaller pieces. Our tongue mixes the smaller pieces of food with saliva.
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