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Question
Which of the following constitute the diffusion membrane or the blood air barrier?
Which of the following constitute the diffusion membrane or the blood air barrier?
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Solution
The correct options are
A Alveolar wall
B Capillary endothelium
D Basement membrane
The capillaries have thin walls made of simple squamous endothelial cells. The capillaries are separated from the alveoli by a thin layer of connective tissue called basement membrane. The alveolar wall, capillary endothelium, and basement membrane together form what is called the blood air barrier or diffusion membrane.
A Alveolar wall
B Capillary endothelium
D Basement membrane
The capillaries have thin walls made of simple squamous endothelial cells. The capillaries are separated from the alveoli by a thin layer of connective tissue called basement membrane. The alveolar wall, capillary endothelium, and basement membrane together form what is called the blood air barrier or diffusion membrane.
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