Key term for Edexcel GCSE Biology, used in The Circulatory System.
The narrowing of the blood vessel lumen caused by the contraction of smooth muscle in the wall.
Vasoconstriction appears in Edexcel GCSE Biology revision content for Exchange and Transport in Animals, especially The Circulatory System and Blood Vessels.
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Animal Coordination, Control and Homeostasis
Hormonal Coordination • Adrenalin
