Class 11 Biology Breathing and Exchange of Gases Disorders of respiratory system

Disorders of respiratory system

  • Asthma is a difficulty in breathing causing wheezing due to inflammation of bronchi and bronchioles.
  • Emphysema is a chronic disorder in which alveolar walls are damaged due to which respiratory surface is decreased.
  • Occupational respiratory disorders include lung damage due to inflammation, which ultimately leads to fibrosis.


Fig. Fibrosis

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