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Get Answers to all your Questions
Due to increasing air - brone allergens and pollutnats, many people in urban areas are suffering from respiratory disorder causing wheezing due to:
- Option 1)
benign growth on mucous lining of nasal cavity
- Option 2)
inflammation of bronchi and bronchioles
- Option 3)
proliferation of fibrous tissues and damage of the alveolar walls
- Option 4)
reduction in the secretion of surfacants by pneumocyctes.
Answers (1)
Causes of air pollution -
Industries: Combustion of fossil fuels like coal, petroleum, etc. Industrial smoke is the main source of pollution.
- wherein
Automobiles: The combustion of petrol and diesel in automobiles releases harmful gases into the air. They also produce dust.
Wheezing is a high - pitched, coarse whistling sound that can occur when a person is breathing. The main cause of wheezing is inflammation of bronchi and bronchioles which led by increasing air - brone allergens and pollutants.
Option 1)
benign growth on mucous lining of nasal cavity
Option 2)inflammation of bronchi and bronchioles
Option 3)proliferation of fibrous tissues and damage of the alveolar walls
Option 4)reduction in the secretion of surfacants by pneumocyctes.
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