External Respiration Refers to the Exchange of Oxygen and Carbon

question 141

Multiple Choice

External respiration refers to the exchange of oxygen and carbon dioxide between the:

• A)alveoli and bloodstream.
• B)outside air and cells of the body.
• C)bloodstream and cells.
• D)lungs and heart.

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Drilling

The act of repeated practice or intense study, often used in educational or training contexts to instill knowledge or skills into memory through repetition.

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