All of the Following Are Stages in Gas Exchange in Respiratory

question 65

Multiple Choice

All of the following are stages in gas exchange in respiratory systems EXCEPT:

• A)air moving across the system by bulk flow.
• B)diffusion of O2 and CO2 across the respiratory membranes.
• C)active transport of O2 into the circulatory system.
• D)transport of gases by the circulatory system by bulk flow.
• E)gas exchange from the circulation to the tissues by diffusion.

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