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5 July, 11:40

Tissues are able to autoregulate their rate of blood flow by controlling a. arterial blood pressure. b. perfusion pressure. c. venous return to the heart. d. vascular resistance.

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  1. 5 July, 13:02
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    Answer: Vascular resistance

    Explanation:

    Vascular resistance can be defined as the resistance in the blood vessels which should be overcome to allow blood flow through the circulatory system.

    When the blood vessel dilate then blood flow increases due to decrease in the vascular resistance.

    In case of vasoconstriction the vascular resistance increases and the blood flow decreases due to this resistance.
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