Which list of items best describes the exchange portion of the bronchial tree and why? a....
Which list of items best describes the exchange portion of the bronchial tree and why?
a. pseudostratified ciliated columnar epithelium, goblet cells, mucous
b. simple squamous epithelium, great alveolar cells
c. hyaline cartilage, smooth muscle
d. two of the above
e. all of the above
Homework Answers
ANSWER :
The exchange of respiratory gases occurs in the terminal bronchiole and alveolar sacs of bronchial tree in respiratory system, because terminal bronchiole and alveolar sacs are made up respectively of simple squamous epithelium and great alveolar cells, that are specifically permeable to gases through diffusion. Hence option (b) is the correct answer.
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