Which statement is true?

a. The ratio of carbon dioxide produced to oxygen consumed is greater than one in healthy adults.
b. The partial pressure of oxygen in the lungs is greatest just before exhalation.
c. The partial pressure of carbon dioxide is greatest in venous blood.
d. Partial pressures are the measurement of Hg displacement in the lungs.


c. The partial pressure of carbon dioxide is greatest in venous blood.

Biology & Microbiology

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