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LenaWriter [7]
3 years ago
9

How does the structure of the bronchial tree change as the bronchi become smaller?

Biology
2 answers:
insens350 [35]3 years ago
7 0

The following structural changes occur as conducting tubes become smaller;

- support structures change. The trachea has more hyaline cartilage than the bronchioles

- epithelium type changes with bronchioles having ciliated columnar cells with the trachea having tall       columnar pseudostratified

- amount of smooth muscle increases as you go lower the respiratory tract


mrs_skeptik [129]3 years ago
3 0
A bronchus, also known as a main or primary bronchus, is a passage of airway in the respiratory tract that conducts air into the lungs. There is a right bronchus and a left bronchus and these bronchi branch into smaller secondary and tertiary bronchi which branch into smaller<span> tubes, known as bronchioles.</span>
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