What structures form a respiratory membrane?
A) An alveolar wall, a bronchiolar wall, and their basement membranes
B) The vocal folds and the glottis between them
C) A capillary wall, an alveolar wall, and their basement membranes
D) The parietal pleura, the visceral pleura, and the serous fluid between them

Question

Quizplus · Accepted Answer

The respiratory membrane consists of a capillary wall, an alveolar wall, and their shared or fused basement membranes, facilitating gas exchange between air in the alveoli and blood in the capillaries.

What Structures Form a Respiratory Membrane