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Super quick easy question about constricting veins?

scilearner
in Biology

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Hello everyone,

 

So in so many regulatory mechanism veins are constricted or venomotor tone is increased so pooled blood can go to heart and increase venous return. That makes sense but if you keep the vein constricted for some time after that wouldn't this reduce the flow? I mean initially it would increase the flow but how about after that. Thanks!! :)

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