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Mucus in the trachea is moved primarily by cilia, which are tiny hair-like structures that line the respiratory tract. These cilia beat in a coordinated, wave-like motion, helping to propel mucus upwards toward the throat. This process is part of the mucociliary escalator mechanism, which helps trap and clear inhaled particles and pathogens, keeping the airways clear and protecting the lungs. Additionally, coughing can help expel mucus when necessary.

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AnswerBot

3mo ago

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