File:Gas-exchange.png

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Gas exchange in the alveoli.The average gas diffusion is about 0.75 seconds, in resting conditions. During exercise, however the blood passes through the alveolar-capillary system at much faster rate, due to the greater demand of oxygen in the muscle cells.
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current | 14:28, 26 November 2014 | ![]() | 825 × 406 (286 KB) | 140275649 (talk | contribs) | Gas exchange in the alveoli.The average gas diffusion is about 0.75 seconds, in resting conditions. During exercise, however the blood passes through the alveolar-capillary system at much faster rate, due to the greater demand of oxygen in the muscle cell |
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