Which respiratory structure likely has the largest surface area for gas exchange to occur?

Name: Which respiratory structure likely has the largest surface area for gas exchange to occur?
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Question

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The lungs of a pig have a large surface area for gas exchange due to the presence of numerous alveoli, which are tiny air sacs. This allows for the efficient exchange of oxygen and carbon dioxide between the lungs and the bloodstream. The other options listed have smaller surface areas in comparison.

Which Respiratory Structure Likely Has the Largest Surface Area for Gas