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Biology 18 Online
OpenStudy (anonymous):

Which of the following is the process of breathing? A.movement of air into and out of the lungs B.diffusion of gases between the alveoli and the circulating blood C.exchange of dissolved gases between the blood and the interstitial fluid D.binding of oxygen by hemoglobin

OpenStudy (anonymous):

Seriously?.. lol A.

OpenStudy (anonymous):

dude i can't even think rn. i'm so stressed

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