Which of the following statements regarding normal gas exchange in the lungs is correct? Select one: A. The oxygen content in the alveoli is highest during the exhalation phase. B. Blood that returns to the lungs from the body has low levels of carbon dioxide. C. The actual exchange of oxygen and carbon dioxide occurs in the capillaries. D. Oxygen and carbon dioxide diffuse across the alveolar walls and capillaries.

Which of the following statements regarding normal gas exchange in the lungs is correct?
Select one:
A. The oxygen content in the alveoli is highest during the exhalation phase.
B. Blood that returns to the lungs from the body has low levels of carbon dioxide.
C. The actual exchange of oxygen and carbon dioxide occurs in the capillaries.
D. Oxygen and carbon dioxide diffuse across the alveolar walls and capillaries.
 
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The post Which of the following statements regarding normal gas exchange in the lungs is correct? Select one: A. The oxygen content in the alveoli is highest during the exhalation phase. B. Blood that returns to the lungs from the body has low levels of carbon dioxide. C. The actual exchange of oxygen and carbon dioxide occurs in the capillaries. D. Oxygen and carbon dioxide diffuse across the alveolar walls and capillaries. appeared first on Superb Professors.

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