Venous Return 0.0 / 5 ? Physical EducationAnatomy & physiologyA2/A-levelAll boards Created by: emjalowiecCreated on: 15-01-22 13:08 Venous Return Blood returning to the right atriumMu 1 of 10 Muscular Pump Skeletal muscle action on the veins which maintains and aids venous return 2 of 10 Gravity Force which maintains venous return from above the heart 3 of 10 Blood Pressure Force exerted by the blood on arterial walls 4 of 10 Respiratory Pump Changes in the thoracic cavity pressure which maintain & aid venous return 5 of 10 Vasodilation A widening of the lumen in the arteries 6 of 10 Vasocontriction A narrowing of the lumen in the arteries 7 of 10 Venocontriction/dilation Smooth muscle action which maintains & aids venous return 8 of 10 Pocket Valves Valves which prevent back flow within the veins 9 of 10 Precapillary Sphincters Rings of muscle controlling blood flow to the capillaries 10 of 10
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