Bronchitis affects the bronchial tubes that carry air to your lungs. Pneumonia affects the air sacs, called alveoli, where oxygen passes into your blood. Pneumonia causes these air sacs in the ...

a: Gross anatomy of lung and thorax. b: Microscopic anatomy of bronchial wall. C: View of terminal airway and alveoli. d: Alveolar structure.

It travels down the trachea – or windpipe – into one of two bronchi and into bronchioles before entering one of millions of alveoli, where gaseous exchange takes place. When we breathe out ...

Emphysema occurs when the air sacs in the lungs, called alveoli, are damaged or destroyed. This causes the alveoli to rupture and trap air, resulting in hyperinflation of the lungs making ...

Zakir Hussain death reason: Idiopathic pulmonary fibrosis is a chronic disease that affects the tissues around the air sacs, or alveoli, in the lungs. Tabla virtuoso Zakir Hussain passed away in ...