The trachea is also lined with tiny hair-like structures called cilia. These help push mucus that contains debris or pathogens out of the trachea. A person then either swallows or spits out the mucus.

The trachea, also called the windpipe ... Microscopic, hair-like cilia move the cleansing mucus up to the pharynx—part of the throat between the mouth and esophagus—from the lower part ...

Caption The HEATR2 protein (red) is located in the body of airway cells lining the trachea, not in the cilia (green) or the nuclei (blue). Finding HEATR2 outside of the cilia was the first clue ...

Air from outside the body comes in through a pathway called the trachea. It then goes ... These are called cilia. They clean up any dust or dirt that’s found in the air you breathe.

The air that enters the nasal cavity flows down the trachea ... cells produce mucus which traps dust, dirt and bacteria to prevent them entering the lungs. Cilia are small hairs which beat ...