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Biology 14 Online
OpenStudy (anonymous):

internal respiration takes place in the alveoli ..

OpenStudy (anonymous):

yaah its take place in alveoli bcz the air that has already been drawn into the lungs by external respiration then in internal respiration exchanged with gases in the blood/tissues so that carbon dioxide (CO2) is removed from the blood and replaced with oxygen (O2).

OpenStudy (anonymous):

internal respiration takes place in alveoli... so what?

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