The structures that form the respiratory membrane include:

(1) elastic fibers
(2) secondary bronchioles
(3) the basement membrane of the alveolar epithelium
(4) the pulmonary nerve plexus
(5) capillary walls

A) All of the answers are correct.
B) None of the answers are correct.
C) 2, 4
D) 3, 5
E) 2, 4, 5


D) 3, 5

Anatomy & Physiology

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