Child with lungs, trachea, and bronchii.

Right lateral view of the lungs and trachea.

Posterior view of the lungs and trachea.

Posterior view of the lungs and trachea in situ in the body.

infant with an endotracheal tube in place in trachea. An improperly placed ET tube may result in oxygen in the stomach.

Lateral view of a male patient on his back with a fiberoptic bronchoscope inserted nasally to the smaller bronchus. Image at top shows location of tip of bronchoscope.

Anterior view of the respiratory system including the lungs, bronchi, trachea and larynx.

Image showing infant being resuscitated using a mask and Ambu bag; note how oxygen enters not only lungs but stomach as well.

Anterior view of lungs suffering from atelectasis caused by obstruction. An occlusion can be seen in right Eparteral bronchus.

Blow up and cutaway of a bronchus; note swelling and inflammation of mucous membrane and fluid within the bronchus, symptoms of bronchitis.

Schematic representation of a right collapsed lung and an inflated left lung.

Medial view of the mediastinal (medial) surface of the left lung showing respiratory bronchi and cardiac vessels.

Lungs, trachea