Normal Lungs vs COPD Lungs: What Doctors Check First
Healthy Lungs vs COPD Lungs: Key Differences at a Glance
Healthy lungs are elastic and clear. Air moves in and out easily, and oxygen passes into your blood without trouble.
COPD (Chronic Obstructive Pulmonary Disease) is a long-term lung disease that includes emphysema and chronic bronchitis, and it causes chronic