Question

Notes on disorder of respiratory system

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Answer 1

Answer:

Emphysema is defined as the chronic disease, reduction of the respiratory surface due to the damage to the lung alveolar walls. It is caused mainly by cigarette smoking. The main symptoms of emphysema include shortness of breath and cough. Emphysema might lead to a loss of elasticity of the lungs.

Explanation:

mujhe ni pata ritika parul ko kya hua hai

Answer 2

Answer:

above attachment ur answer