Emphysema, together with several other diseases, is known as a Chronic Obstructive Lung Disease. Under the influence of emphysema the alveolar sacs of lungs are damaged which leads to shortness of breath. The main cause of the contraction of the disease is smoking.
1. From inside, the alveoli of lungs resemble honeycombs. When a person suffers from emphysema, the barriers in such combs are distracted and form one large comb instead of multiple smaller ones. Due to this, the lungs surface reduces and the amount of oxygen thee release is much smaller.