Question

How does smoking impact the alveoli

Answer 1

Cigarette Smoking. Over time, the toxins from inhaled cigarette smoke break the thin walls of alveoli, leaving larger, less efficient air sacs. ... In a smoker, this process signals the beginning of emphysema, a form of COPD. The damage from emphysema cannot be reversed.

Answer 2

Over time, the walls of the alveoli start to thin. This can make it hard to breathe in oxygen, and get rid of carbon dioxide.