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Autoregulation
in the Lungs
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Diverts blood flow to well-ventilated alveoli.
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[See
Figure 23.19]
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vasoconstriction
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in supplying
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arterioles
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h CO2
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i O2
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Reduced alveolar
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ventilation
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vasodilation in
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supplying
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arterioles
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i CO2
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h O2
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Increased alveolar
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ventilation
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