The partial pressure of oxygen (PO2 ) in pulmonary veins during internal respiration is approximately
A) 40 mm Hg.
B) 45 mm Hg.
C) 50 mm Hg.
D) 70 mm Hg.
E) 95 mm Hg.
Answer: E
Anatomy & Physiology
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Fill in the blank(s) with correct word
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