| A | B |
|---|
| External Nares | only visible part of Respiratory System |
| Nasal Cavity | interior of the nose |
| Nasal Septum | wall that divides the interior of the nose |
| Uvula | extension of the soft palate |
| Hard palate | separates nasal and oral cavity; composed of bone |
| Soft palate | separates nasal and oral cavity; composed of muscle |
| Sinusitis | inflammation of the sinus due to mucus-blocked passageways |
| Pharynx | Throat |
| Larynx | Voicebox |
| Trachea | Windpipe |
| Nasopharynx | superior portion of pharynx |
| Oropharynx | connects nasopharynx to the laryngopharynx |
| Laryngopharynx | entrance into the larynx |
| Pharyngeal tonsil | located high in the nasopharynx |
| Palatine tonsil | in oropharynx at end of soft palate |
| lingual tonsil | located at the base of the tongue |
| Thyroid cartilage | largest of hyaline cartilages |
| Epiglottis | protects opening of larynx and routes food to the correct passageway |
| Vocal folds | vibrate with expelled air |
| Apnea | cessation or pause in breathing during sleep |
| Primary Bronchi | formed by division of the trachea |
| Apex | narrow portion of the lungs |
| Visceral Pleura | covering of the lung |
| Parietal Pleura | covers the walls of the entire thoracic cavity |
| Bronchioles | Smallest of the conducting passageways |
| Alveoli | air sacs where gas is exchanged |
| Tracheotomy | insertion of a breathing tube through the trachea |
| Bronchitis | inflammation of the bronchi |
