what is saliva ???...
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Saliva is an extracellular fluid produced and secreted by salivary glands in the mouth.
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DescriptionSaliva is an extracellular fluid produced and secreted by salivary glands in the mouth. In humans, saliva is 99.5% water plus electrolytes, mucus, white blood cells, epithelial cells, enzymes, antimicrobial agents such as secretory IgA, and lysozymes.
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