To Facilitate the Diffusion of Oxygen from Alveoli to Pulmonary

question 1

Multiple Choice

To facilitate the diffusion of oxygen from alveoli to pulmonary capillary,which of the following must occur?

• A)The alveolar walls become thicker.
• B)Concentration of oxygen is high in the pulmonary artery.
• C)Concentration of oxygen is high in the alveoli.
• D)Partial pressure of oxygen must equal 20.93%.

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