The trachea is also lined with tiny hair-like structures called cilia. These help push mucus ... trachea and obstruct breathing. The primary function of the trachea is to transport air to and ...

The tubes that make up the bronchial tree perform the same function as the trachea: they distribute ... Microscopic, hair-like cilia move the cleansing mucus up to the pharynx—part of the ...

The film discusses the anatomical and functional significance of the nose, throat, and ears from a medical perspective. It explains how the nose functions as an air passage that warms and filters ...

Researchers are turning up roles for nerve cell cilia in a variety of brain functions. In a region of the brain linked to appetite, for example, cilia appear to play a role in preventing obesity ...

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.

More information: Yusheng Wang et al, Sensory artificial cilia for in situ monitoring of airway physiological properties, Proceedings of the National Academy of Sciences (2024). DOI: 10.1073/pnas ...