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Silicosis is an occupational respiratory disorder caused by long-term exposure to fine dust particles, leading to lung fibrosis.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Respiratory Disorders - Asthma Emphysema Occupational Disorders
Emphysema is a chronic disorder in which alveolar walls are damaged, reducing the respiratory surface area, often due to smoking.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Respiratory Disorders - Asthma Emphysema Occupational Disorders
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