Anterior view of the heart and vessels with the lungs.

Image showing position and action of hands to use vibration to loosen respiratory secretions in the lungs.

Anterior view of the respiratory system within a transparent image of the torso and head. Image includes the nose, mouth, epiglottis, larynx, trachea, bronchus and lungs.

Projections of heart (red lines) and lungs (blue lines) on anterior chest wall.

Anterior view of lungs suffering from atelectasis caused by compression of lung tissue.

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

Illustration of chest contours of child. Top: anterior view of male child from waist up showing a funnel chest (pectus excavatum). Bottom: cross-section of funnel chest.

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

Anterior view of thoracic area of male chest showing lungs and heart within ribcage. Left: tear in tracheobronchial tree has caused air to move into pleural space.

Anterior view of thoracic area of male chest showing lungs and heart within ribcage. Left: tear in tracheobronchial tree has caused air to move into pleural space. Right: syringe aspirates air from pleural space to allow lung to reexpand.

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

Illustrating showing nurse inserting the catheter with the suction off.

Lungs, thorax