| Asthma | Emphysema |
|---|---|
| $(1)$ This disease occurs in the trachea and its branches (bronchi and bronchioles). | $(1)$ This disease occurs in the alveolar tissue of the lungs. |
| $(2)$ Caused by allergic reactions to airborne allergens. | $(2)$ Primarily caused by chronic cigarette smoking and long-term bronchitis. |
| $(3)$ Characterized by inflammation and constriction of the bronchial walls. | $(3)$ Characterized by the destruction of alveolar walls,reducing the surface area for gas exchange. |
| $(4)$ Symptoms include wheezing and difficulty in breathing. | $(4)$ Symptoms include chronic shortness of breath and reduced oxygen supply to tissues. |
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