Question

why cigaret damage the lunge

Answer 1

Cigarette smoke damage the lungs and heart tissues and cause breathing problems like asthma and many heart and lungs disease , also cause cancer.

Answer 2

Its because the nicotine in it very dangerous. Smoke damages alveoli wall. The toxin from inhale the cigarette break the thin alveoli walls and cause less air sacs which forming larger air spaces that makes difficult to breath. This effect cause COPD (Chronic obstructive pulmonary disease) to lung

Hope it helps you :)