what do you know about alveolar gas exchange
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Gas exchange is the delivery of oxygen from the lungs to the bloodstream, and the elimination of carbon dioxide from the bloodstream to the lungs. It occurs in the lungs between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the alveoli
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Alveolis are made up of squamous epithelium tissue which is the thinnest tissue in our body and allows gaseous exchange between RBCs and alveolar sacks. When the concentration of O2 is higher in lungs and it is lower in RBCs, then O2 moves from alveolar sacks to RBCs and RBCs exchange CO2 with them.
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