What type of cells line the trachea and have cilia on their surface?

Master KS3 Science with Cells Test. Dive into detailed explanations, flashcards, and varied question formats. Enhance your cell biology knowledge!

Ciliated epithelial cells are specialized cells that form a lining in various parts of the body, including the trachea. These cells are characterized by their fine hair-like structures called cilia that extend from their surfaces. The primary function of cilia is to help move mucus and trapped particles upward towards the throat, where they can be swallowed or expelled. This mechanism is essential in keeping the airways clear of debris and pathogens, thus playing a critical role in the respiratory system's defense.

Muscle cells, while crucial for movement and support in the body, do not have cilia and are not involved in the respiratory tract's lining. Nervous cells are responsible for transmitting signals within the nervous system and also lack the specialized structure of cilia for movement of substances. Specialised cells is a broad term that can refer to any cell that has a particular function, but it does not specifically describe the ciliated epithelial cells that are directly associated with the trachea.

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