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 ...

more adhesive mucus that resists the natural clearing mechanisms of your bronchial cilia, the tiny hair-like structures that sweep contaminants upward and out of your lungs. Deep nasal breathing ...

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.

Cilia are small hairs which beat to push the mucus back up the trachea so it can be swallowed and destroyed in the stomach. Clean air then enters the two bronchi, one bronchus going to each lung.

For a long time, almost all attention was on the motile cilia because their function was readily observable. But scientists, starting with Alexander Kowalevsky had reported the presence of single ...