To continue viewing, click here: [ Ссылка ]
During normal respiration, air travels through the nose, down the trachea, and into smaller and smaller airways called bronchi. The bronchi divide into bronchioles and finally into tiny grape-like clusters of thin, fragile sacs called alveoli.
Bronchitis is an inflammation of the bronchial tubes, or bronchi....
Please visit Blausen.com for more medical topics!!
