Question

what is that the long tube like structure that is supported by cartilaginous rings?​

Answer 1

Explanation:

Trachea

The Trachea, or "Windpipe", Is the Main Airway to the Lungs. The trachea is a tube less than an inch in diameter, covered by cartilaginous rings. It extends from the bottom of the larynx down behind the sternum, until it branches into smaller tubes, the bronchi.

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Answer 2

Answer:

Its trachea

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