Given below are the layers of the respiratory membrane.In what order would oxygen pass through this membrane under normal circumstances? 1)layer of fluid lining the alveolus
2)alveolar epithelium
3)alveolar epithelium basement membrane
4)interstitial space
5)capillary endothelium's basement membrane
6)capillary endothelium

Question

Quizplus · Accepted Answer

Oxygen would first pass through the layer of fluid lining the alveolus (1), then through the alveolar epithelium (2), followed by the alveolar epithelium basement membrane (3), the interstitial space (4), capillary endothelium's basement membrane (5), and finally through the capillary endothelium (6). Choice D lists the correct order.

Given Below Are the Layers of the Respiratory Membrane