Cardiovascular System

In excess the sensation is warm, hot, fast (skin, pulse, energy). Deficiency is cold and shallow.

The heart pumps arterial blood out from the left ventricle into the aorta and thence out through the major arteries. These in turn lead the blood into arterioles and out into the capillary beds where nutrient bearing serum leaks out to become interstitial fluid, feeding cells and picking up waste products. Some of this serum
flows into the lymph capillaries and into the lymph system. The rest, containing soluble waste and gas, filters back into the venous blood. Returning to the center of the body through venules and veins, this thickened waste blood is joined in the subclavian veins by its missing lymph. The venous blood, restored to its original volume, minus the waste solids removed in the lymph system, enters the right atrium of the heart, goes to the right ventricle, and out into the lungs. Here it discharges waste C02, gets oxygenated, returns to the left atrium of the heart and exits once again from the left ventricle as arterial blood.
Under physical stress, adrenalin and sympathetic nerves increase the heart output and pump more blood to the skeletal muscles. Under adrenalin stress this volume is further increased by blood shunted from the viscera, spleen and membranes. At rest, the heart works more slowly and blood supply disperses back to the deprived tissues.

The kidneys and liver, together with the brain and autonomic systems, control the constriction and relaxation of major arteries. Local circulation into the skin and mucosa is largely controlled by local factors. Together, these vascular mechanisms maintain an even rate of feeding and cleansing, taking excess substances to where they are deficient, compensating and maintaining
homeostasis. To speed up metabolism to an organ or tissue, more arterial blood is pumped in. To slow down metabolism, blood supply is shunted away. Although the
neurologic and hormonal homeostatic control systems are unimaginably complex,
when push comes to shove, MORE BLOOD = MORE LIFE FORCE,LESS BLOOD = LESS LIFE FORCE

The cardiovascular system responds to these needs of the body. Simply lowering the blood pressure without decreasing either blood volume or viscosity is to suppress the effect without altering the cause. This often means working on the kidney and liver excess that is the usual cause.

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