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There can be more than one correct answer. 17. Why is the partial pressure of carbon...

There can be more than one correct answer.

17. Why is the partial pressure of carbon dioxide in the blood in the right atrium of the heart 46 mmHg?

A. because the partial pressure of carbon dioxide in the alveoli is 40 mmHg

B. because the partial pressure of carbon dioxide in the interstitial fluid is 46 mmHg

C. because the partial pressure of oxygen in the blood in the right atrium of the heart is 40 mmHg

D. because the partial pressure of oxygen in the interstitial fluid is 40 mmHg

Science   Anatomy-And-Physiology   
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