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Which one is correct regarding the squamous epithelium of alveoli ?
Option: 1
allow oxygen from air to enter the blood capillaries of lungs
Option: 2
remove CO2 from blood
Option: 3
made up of double thin layer of flattened cells
Option: 4
both 1 and 2
Answers (1)
As we learnt ,
Structure of Diffusion Membrane -
Thin squamous epithelium of alveoli.
- wherein
Simple squamous epithelium lines the air sacs, or alveoli, of the lungs. The alveoli are sites where air is exchanged in the lungs. Simple squamous epithelial cells in the alveoli allow oxygen from the air to enter the blood in the capillaries of the lung. Carbon dioxide, a waste product, passes across the epithelium of the alveoli to be removed from the body.
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