As blood travels through a systemic capillary and exchanges gases with systemic cells,
A. the partial pressure of oxygen in blood decreases as it goes from arterioles to venules.
B. the partial pressure of oxygen in blood increases as it goes from arterioles to venules.
C. the partial pressure of oxygen on blood remains the same as it goes from arterioles to venules.
A
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Refer to Table 1.3 and the bar graph.
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Fill in the blank(s) with the appropriate word(s).
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