Lymphatic circulation

        The lymphatic system is vital to our health and very life. Part of our immune system, it provides defense against disease-causing organisms. When the lymphatic system becomes sluggish our tissues become congested, organ function is impaired and our health suffers.  ( Lymphatic System  -  Suzanne E. Sky).

What is the lymphatic system?

Each and every cell of our body is surrounded by a fluid called interstitial fluid. At the cellular level, the lymphatic system is a pathway through which fluid flows from the intercellular spaces into the blood.

    The interstitial fluid  surrounding the cells drain into a small tube like structure (shown in green in the picture).  

Like a drainage system from each house collect into bigger drainage pipes, the fluid from small tubes drain into bigger collecting tubes or lymph capillaries. 

Lymph capillaries turn into lymph vessels which pass through lymph nodes, empty into the lymphatic ducts and then into the venous system. The venous system carries the impure blood to the heart. The pure blood is given in red and the impure venous blood in blue and the lymph in green.

         The lymphatic system includes lymph, lymphocytes, lymph vessels, lymph nodules, lymph nodes, tonsils, spleen and thymus gland. Part of the body’s defense system, the lymph nodes filter lymph and the spleen filters blood, removing microorganisms and other foreign substances. The lymph nodes act as a filtration system that  keeps particulate matter such as bacteria from entering the bloodstream. They produce both lymphocytes and monocytes. Lymph tissue contains lymphocytes and other cells that can destroy microorganisms and foreign substances.    The cells have obtain oxygen and nutrients for its survival and also throws the waste products into this river of water. These waste products if not removed becomes toxic for the cell.

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