What happens to blood vessel size?
Arterioles
- Vasodilation: Increases blood flow to tissues
- Vasoconstriction: Decreases blood flow to tissues
Venules
- Vasodilation: Increases blood return to the heart
- Vasoconstriction: Decreases blood return to the heart
Arteries
- Vasodilation: Increases blood flow to tissues
- Vasoconstriction: Increases blood pressure
Veins
- Vasodilation: Decreases blood pressure
- Vasoconstriction: Increases blood pressure
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