The primary and secondary bronchi have similar structures.

Name: The primary and secondary bronchi have similar structures.
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Quizplus · Accepted Answer

Both the primary and secondary bronchi are lined with ciliated epithelium and have cartilage rings in their walls to maintain their structure. However, the secondary bronchi are smaller in size and branch off from the primary bronchi, while the primary bronchi are larger and directly connected to the trachea.

The Primary and Secondary Bronchi Have Similar Structures