Vasomotor centre
A part of the medulla oblongata that controls the vasoconstriction and vasodilation of blood vessels to regulate blood flow during rest and exercise
Vasodilation
The widening of blood vessels to increase blood flow to active tissues during exercise
Vasoconstriction
The narrowing of blood vessels to reduce blood flow to certain areas of the body
Precapillary Sphinters
Rings of smooth muscle at the entrance to capillaries that control blood flow into capillary beds