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Q Which of the following is not a component of the diffusion membrane in the lungs?

ID: #10041 Respiratory system 123 views
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#10041Q ID
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Respiratory systemTopic
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  • A Thin squamous epithelium of alveoli ✔ ✖
  • B Cuboidal epithelium of alveoli ✔ ✖
  • C Basement membrane ✔ ✖
  • D Endothelium of blood capillaries ✔ ✖
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Explanation

The diffusion membrane in the lungs is made up of three layers: the thin squamous epithelium of the alveoli, the endothelium of the blood capillaries, and the basement membrane in between them. Cuboidal epithelium is not a component of the diffusion membrane. The thin squamous epithelium is important because it allows for easy diffusion of gases, while the endothelium provides a large surface area for gas exchange. The basement membrane acts as a support structure for these layers.

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