Anterior and posterior view of an infant showing proper points of auscultation to diagnose respiratory distress syndrome.

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.

Illustration of chest contours of child. Top: lateral view of male child from waist up showing a normal chest. Bottom: cross-section of normal chest.

Tranverse section through the thorax showing the heart and lungs and surrounding structures.

Illustration of chest contours of child. Top: posterior view of male child from waist up showing scoliosis. Bottom: cross-section of chest with kyphoscoliosis.

Left image shows child and location of lungs, bronchi and trachea; image on right shows blow up and cutaway of a bronchus; note swelling and inflammation of mucous membrane and fluid within the bronchus.

Illustration of chest contours of child. Top: lateral view of male child from waist up showing a barrel chest. Bottom: cross-section of barrel chest.

Cardiopulmonary system shown with cutaway of heart and left lung revealing internal anatomy.

Nurse pointing.

Older man seated at table blows into spirometer.

Nurse auscultating chest of patient who's facial expression indicates pain.

Lungs, thorax