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When the baroreceptors detect the loss of pressure, they try to return pressure to a homeostatic level. In order to do this, they constrict the blood vessels, which raises the pressure by having the same amount of blood within a smaller "container". The capillaries near the skin will aid in this by restricting flow, causing the skin to be cold and clammy. The baroreceptor reflex also raises the heart rate, which also has the affect of raising blood pressure.

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15y ago

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