what are the sites of gas exachange
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ALVEOLI, are the sites of gas exchange..
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Gas exchange in humans takes place at two sites in the body
First is in the lungs where oxygen is picked up and carbon dioxide is released.
Second is tissues where oxygen is released and carbon dioxide is picked up.
First is in the lungs where oxygen is picked up and carbon dioxide is released.
Second is tissues where oxygen is released and carbon dioxide is picked up.
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