Local and Extrinsic control and Venous Return
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Last updated 5:08 PM on 4/4/26
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7 Terms
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What is local control of blood flow?
regulation within an organ based on its needs
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What causes local vasodilation?
low O2, metabolic activity, histamine
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What controls BP extrinsically?
Sympathetic nervous system
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Which hormones increase BP?
Epinephrine, angiotensin 2, vasopressin
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What is Venous Return?
blood returning to the heart per minute
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What increases venous return?
muscle pump, respiratory pump, and venous constriction
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What is venous capacity?
volume of blood veins can hold
