In order to keep the trachea open in any position, the trachea is made of O-shaped cartilage rings stacked one on top of the other.

Name: In order to keep the trachea open in any position, the trachea is made of O-shaped cartilage rings stacked one on top of the other.
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Question

Quizplus · Accepted Answer

The trachea is made of C-shaped cartilage rings, not O-shaped, to keep it open in any position while allowing flexibility and movement, especially for swallowing.

In Order to Keep the Trachea Open in Any Position