Intermediate phase (the rennin-angiotensin vasoconstrictor mechanism 2shift of fluid through the tissue capillary walls in and out of the circulation to readjust the blood volume as needed 3stress-relaxation of the vasculature Delayed compliance Effect on the intravascular pressure oT injecting a small volume of blood into E500 a venous segment and a few minutes later removing extrablood intusion of blood the excess blood 2 demonstrating the principle of delayed compliance MinutesIntermediate phase ①the rennin-angiotensin vasocontstrictor mechanism; ②shift of fluid through the tissue capillary walls in and out of the circulation to readjust the blood volume as needed. ③stress-relaxation of the vasculature; Effect on the intravascular pressure of injecting a small volume of blood into a venous segment and a few minutes later removing the excess blood, demonstrating the principle of delayed compliance