how does gaseous exchange takes place in face
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The exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.
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by the vessels which carry oxygenated and deoxygenated vessels .
they are responsible for gaseous exchange I.e artery and vein
they are responsible for gaseous exchange I.e artery and vein
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