In Which of the Following Sequences Does PO₂ Progressively Decrease

question 147

Multiple Choice

In which of the following sequences does PO₂ progressively decrease?

• A)body tissue,arterial blood,alveolar air
• B)body tissue,alveolar air,arterial blood
• C)blood in aorta,atmospheric air,body tissues
• D)atmospheric air,blood in aorta,body tissues
• E)body tissue,aorta,alveolar air

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