4704a, air, airway, airways, anatomical, anatomically, anatomy, caput, cavities, cavity, exh4704a, freely, hard, head, heads, healthy, includes, labels, miller, mouth, moving, muscle, muscles, muscular, musculare, muscularis, neck, necks, oral, otorhinolaryngocology, palate, passages, pharyngeal, pharynx, respiration, respiratory, respire, shows, sinus, sinuses, soft, systems, throat, tongue, tongues, trachea, tracheas, upper, ways, 97