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Explain the terms Vasoconstriction and Vasodilation of blood vessels?

April 26, 2017blood explain terms vasoconstriction vasodilation vessels

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Explain the terms Vasoconstriction and Vasodilation of blood vessels?

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vasoconstriction is when blood vessels tighten(or get smaller) and there by reduce blood flow. Vasodilation is the opposite. Blood vessels expand or open up and blood flow increases.