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Ans : The full form of COPD is a chronic obstructive pulmonary disease that obstructs the flow of oxygen in the human body and raises difficulties in breathing; it can be dangerous for the human body.
What is COPD?
Ans : The full form of COPD is a chronic obstructive pulmonary disease that obstructs the flow of oxygen in the human body and raises difficulties in breathing; it can be dangerous for the human body.
