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During exercise, blood flow to the extremities is reduced because the body prioritizes delivering oxygen-rich blood to the muscles that are actively working. The sympathetic nervous system is activated, causing vasoconstriction in the blood vessels of the extremities while promoting vasodilation in the muscles. This redistribution ensures that the essential muscles receive adequate blood supply to support increased metabolic demands during physical activity. As a result, extremities may receive less blood flow temporarily.

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1mo ago

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