A condition in which a person's airways become inflamed, narrow, swell and produce extra mucus, which makes it difficult to breathe is known as
1. | Asthma |
2. | Emphysema |
3. | Chronic bronchitis |
4. | Chronic obstructive pulmonary disease |
I. | Asthma | inflammation of bronchi and bronchioles |
II. | Emphysema | alveolar walls are damaged due to which respiratory surface is decreased |
III. | Occupational Respiratory Disorders | fibrosis [proliferation of fibrous tissues] |
I: | are caused by long exposure to dust at work place. |
II: | can give rise to inflammation leading to fibrosis (proliferation of fibrous tissues) and thus causing serious lung damage. |