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Distinguish between vasoconstriction and vasodilation. Name the branch of the ANS involved in this process and neurotransmitter.
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Distinguish between vasoconstriction and vasodilation. Name the branch of the ANS involved in this process and neurotransmitter.

User Edhnb
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Vaso constriction is where the veins close and vasodilation is where the veins open up. This happens depending on temperatures, and activities the pt is doing.
User Knnhcn
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