Examlex
Which of the following is true?
Alveolar Epithelium
A thin layer of cells that lines the alveoli (air sacs) in the lungs, allowing for gas exchange.
Respiratory Membrane
Membrane consisting of alveolar epithelium, capillary endothelium, and their fused basement membranes.
Capillary Endothelium
The thin layer of endothelial cells lining the inner surface of capillaries, playing a crucial role in the exchange of substances between the blood and tissues.
Partial Pressure
The pressure that a single component of a gas mixture would exert if it occupied the entire volume of the mixture at the same temperature.
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