The oral cavity is divided into two regions: the _____ lies outside of the boundary formed by the teeth (or gums, aka _____) but inside of the mouth; the _____ lies inside of the boundary formed by the teeth (or gums).

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Anatomy refers to the internal and external structures of the body and their physical relationships, whereas physiology refers to the study of the functions of those structures.


1. The oral cavity is divided into two regions: the _____ lies outside of the boundary formed by the teeth (or gums, aka _____) but inside of the mouth; the _____ lies inside of the boundary formed by the teeth (or gums).