Salivary Glands

As food is being chewed, saliva, produced by the **salivary glands**, mixes with the food. Saliva is a watery substance produced in the mouths of many animals. There are three major glands that secrete saliva ‒ the parotid, the submandibular, and the sublingual. Saliva contains mucus that moistens food and buffers the pH of the food. Saliva also contains immunoglobulins and lysozymes, which have antibacterial action to reduce tooth decay by inhibiting growth of some bacteria. Saliva also contains an enzyme called salivary amylase that begins the process of converting starches in the food into a disaccharide called maltose.



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