CABT Certified Associate In Biomedical Technology Exam

Which of the following correctly describes the primary physiological function of the alveoli in the respiratory system?

To produce mucus that traps foreign particles To contract and expand, forcing air in and out of the lungs To facilitate the exchange of oxygen and carbon dioxide between the air and the blood To warm and humidify incoming air before it reaches the lungs

Correct Answer:

To facilitate the exchange of oxygen and carbon dioxide between the air and the blood

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