Breath sounds

Lung sounds; Breathing sounds

Breath sounds are the noises produced by the structures of the lungs during breathing.


The major features of the lungs include the bronchi, the bronchioles and the alveoli. The alveoli are the microscopic blood vessel-lined sacks in which oxygen and carbon dioxide gas are exchanged.

Breath sounds

Normal lung sounds occur in all parts of the chest area, including above the collarbones and as low as the bottom of the rib cage.



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