The oral cavity is the part of the human anatomy which consists of several structures located in the mouth. It also includes parts of the nasal, jaw, and facial bones that are visible when someone smiles. The oral cavity can be divided into two parts: (1) soft tissue, which is the space between the lips or cheeks and the teeth and (2) hard tissue, the region medial to the teeth. Oral cavity divisions There are three major divisions:  The vestibule includes the floor of the mouth where it is adjacent to the teeth and the tongue.  The oral part is adjacent … Continue reading What are the two divisions of oral cavity?