Answer:
Emphysema
Step-by-step explanation:
Emphysema is a disorder in which alveoli in the lungs can no longer function properly. This is caused by damage to the walls of the alveoli, which reduces the surface area available for gas exchange and impairs the lungs' ability to take in oxygen and release carbon dioxide. Emphysema is often associated with long-term smoking and can lead to shortness of breath, coughing, and other respiratory symptoms.