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Two things hold the trachea open

1. air pressure

2. Cartilidge rings that the trachea is made of catilaginous rings.

If a patient has had a tracheostomy and the cannula (the plastic device that keeps the trachea open) is removed, the area is covered with gauze and will close on its own in time.

Hope this helps

A RN in NJ

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Experience, and teaching....most of all my head

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More answers

The trachea is always opened in order for the air to get into the lungs. However, when there is food in the pharynx, a flap of skin called the epiglottis will cover the trachea, so the food won't get into the lungs.

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Q: What holds open the trachea?
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