The Nose, Nasal Cavity, and Pharynx.
The Nose and Nasal Cavity
The nose is the primary passageway for air entering the respiratory system. Air normally enters through the paired external nares, or nostrils, which open into the nasal cavity . The vestibule is the space contained within the flexible tissues of the nose
The nasal septum divides the nasal cavity into left and right portions. The superior , middle , and inferior nasal conchae...