Pulmonary lobes are subdivided into bronchopulmonary segments that contain lobules, which are the functional units of the lung. which structure is directly involved in gas exchange during respiration?

The structure that is directly involved in gas exchange during respiration would be the alveoli. These are tiny sacs located in the lungs that enable oxygen and CO2 to move through the lungs and the bloodstream. Its main function is for gas exchange. It allows oxygen to diffuse into the blood for transport to tissues and remove carbon dioxide from it as well.

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