What does NOT occur when blood flow to an area of the lungs is reduced but the area receives normal air flow? A) The concentration of CO₂ in this area decreases. B) The change in CO₂ concentration causes the smooth muscles of the local airways to relax. C) The change in CO₂ concentration leads to increased resistance of local airways. D) The change in O₂ concentration leads to dilation of local blood vessels.

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The Answer of What does NOT occur when blood flow to an area of the lungs is reduced but the area receives normal air flow? A) The concentration of CO₂ in this area decreases. B) The change in CO₂ concentration causes the smooth muscles of the local airways to relax. C) The change in CO₂ concentration leads to increased resistance of local airways. D) The change in O₂ concentration leads to dilation of local blood vessels.

What Does NOT Occur When Blood Flow to an Area