Biology A-Level
smooth muscle and vasoconstriction
What smooth muscle and vasoconstriction means in Biology A-Level, as defined for AQA.
Definition of smooth muscle and vasoconstriction
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Reference: AQA
Arterioles have proportionally more smooth muscle, which contracts to narrow the lumen, controlling blood distribution between organs by vasoconstriction and vasodilation.
Topics that use smooth muscle and vasoconstriction
- Mass transport in animals (AQA A-Level)
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