Tubular airways that begin the respiratory zone
Connects the laryngopharynx with the trachea
Tube-like structure that conducts air from the larynx to the bronchi
Closes over the glottis during swallowing
Keep the trachea from collapsing
Division of the bronchi that enter bronchopulmonary segments
Last division of the conducting zone
Conducts air from the nasopharynx to the larynogopharnx
Small, round sacs where gas exchange occurs
Small conduction airway that serves a lobule
Elevates the sternum
Compresses abdominal contents and increases abdominal pressure
Elevates first and second ribs
Main inspiratory muscle
Flattern when contrated
Elevate 3rd, 4th, and 5th ribs
The amount of the air inhaled and exhale during one normal breath
Inspiratory reserve volume
Maximum amount of air that can be inhaled after a normal inhalation
Expiratory reserve volume
Maximum amount of air that can be exhaled after a normal exhalation
Amount of air that remains in the lungs after a maximum exhalatio
Maximum volume of air expelled after a maximal inhalation
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