When partial pressure of oxygen in arterial blood is higher than normal, what do!


Question: Dialate or constrict?
Answers:
well, let's think.
we have more oxygen than needed. the bronchiolar arterioles are the places where blood cells pick up oxygen. we don't need more oxygen, so we want less blood cells to pick it up. we want less blood cells - we constrict the arteriole, so less blood cells can get through, and.viola.
Answers:

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