Are the cartilage rings around the trachea open or closed rings? Why?
Question
Are the cartilage rings around the trachea open or closed rings? Why?
Solution
The cartilage rings around the trachea are C-shaped, meaning they are open at one end and not fully closed. This design allows the trachea some flexibility and the ability to expand and contract. The open part of the ring faces the esophagus, the tube that carries food to the stomach. This allows the esophagus to expand into the space where the trachea is not reinforced with cartilage when a person swallows a large piece of food.
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