The Anatomic Features of the Respiratory Membrane That Make Alveolar

question 40

Multiple Choice

The anatomic features of the respiratory membrane that make alveolar gas exchange so efficient are

• A) the high degree of moisture and the large ratio of volume to surface area.
• B) its large surface area and minimal thickness.
• C) its thinness, high water content, and scarcity of capillaries.
• D) its hearty thickness and the presence of oxygen transport pumps.

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