Describe disorders of respiratory system.

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Detailed Solution

*Asthma : A type of allergy due to inflammation of bronchi and bronchioles.
* Symptoms : Coughing, difficulty in breathing, wheezing, constriction of bronchi.
* Emphysema : Caused by smoking of tobacco.
* Symptoms : Alveolar walls are damaged and coalesce, exchange of gases decreases.
* Bronchitis : Increase mucus production and decrease in the diameter of bronchi.
* Symptoms : Chronic cough with thick mucus.
* Pneumonia : Caused by Streptococus pneumonia, virus, fungi and protozoan.
* Symptoms : Inflammation of lungs, accumulation of mucus in alveoli.
Occupational respiratory disorders :
* Asbestosis : It is caused due to asbestos.
* Silicosis : Caused by exposure to silica dust.
* Siderosis : Caused due to deposition of inhaled iron particles.
* Black – lung disease : Caused by inhalation of coal dust.

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