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The main function of the trachealis muscle is to constrict the trachea, allowing air to be expelled with more force while you are coughing. This muscle is smooth and is located adjacent to the esophagus.

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What is the function of the trachealis muscle?

The primary function of the trachealis muscle is to constrict the trachea, allowing air to be expelled with more force e.g. during coughing.


What is located on the posterior side of the trachea and allows the esophagus to expand anteriorly during swallowing?

The trachealis muscle is located on the posterior side of the trachea and allows the esophagus to expand anteriorly during swallowing.


What happens when the trachealis muscle contracts?

It constricts the tracheal lumen, causing air to be expelled with more force. This is helpful in coughing and yelling.


What occurs when the trachealis muscle contracts and in what activities might this action be very helpful?

When the trachealis muscle contracts, it reduces the diameter of the trachea, helping to regulate airflow and adjust resistance in the respiratory system. This action can be particularly helpful during activities that require increased respiratory effort, such as exercise or periods of high air demand like during coughing or sneezing.


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What is the function of that muscle?

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