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The Mouth. Also called oral cavity Beginning digestive systemEncloses dental arches (rows of teeth)Receives saliva from salivary glands. Anatomy: Mouth. 2 DivisionsOral vestibule: Space between teeth and cheeksOral cavity or mouth properSpace between dental archesRoof formed by hard and soft palatesFloor formed by tongueCommunicates with pharynx posteriorly via oropharynx.
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