Arterioles present the greatest resistance to blood flow. Explain blood flow mechanism and resistance occurring in arterioles....

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Arterioles present the greatest resistance to blood flow.Explain blood flow mechanism and resistance occurring inarterioles. use pressure and resistance in explanation

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The constriction of arterioles increases resistance which causes a decrease in blood flow to downstream capillaries and a larger decrease in blood pressure Dilation of arterioles causes a decrease in resistance increasing blood flow to downstream capillaries and a smaller decrease in blood pressure An arteriole is a smalldiameter blood vessel in the microcirculation that extends and branches out from an artery and leads to capillaries Microanatomy In a healthy vascular system the endothelium lines all bloodcontacting surfaces including arteries arterioles veins venules capillaries and heart chambers This healthy condition See Answer

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