1. Tardigrade
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  3. Biology
  4. Statement I: Emphysema is a chronic respiratory disorder in which respiratory surface is decreased. Statement II: In emphysema, lungs are damaged due to prolonged inflammation and fibrosis

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Q. Statement I: Emphysema is a chronic respiratory disorder in which respiratory surface is decreased.
Statement II: In emphysema, lungs are damaged due to prolonged inflammation and fibrosis

Breathing and Exchange of Gases

Solution:

• Emphysema is a chronic disorder in which alveolar walls are damaged due to which respiratory surface is decreased. One of the major causes of this is cigarette smoking.
• In emphysema, pulmonary surfactant reduces