It can also cause lung and tissue damage and reduced air spaces and blood vessels. This type of damage reduces oxygen to vital body areas. Cilia are broom-like hairs that line the nasal passages ...

Tiny hairs in the airways, called cilia, prevent dirt and mucus from getting into the lungs. Smoking tobacco can destroy these hairs, allowing a number of these irritants to build up in the lungs.

Smoking damages the airways, air sacs (alveoli) in the lungs, and cilia, which are tiny hair-like structures that prevent dirt and mucus from entering your lungs. Withdrawal from tobacco products ...