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Your lymphatic system is part of your immune system. It produces and releases lymphocytes (a type of white blood cell) and other immune cells. These cells look for and destroy invaders — such as bacteria, viruses, parasites and fungi — that may enter your body.
The lymphatic system helps the body balance fluids, fight infection, and absorb nutrients. Learn more about it here.
The lymphatic system helps maintain fluid balance in the body by collecting excess fluid and particulate matter from tissues and depositing them in the bloodstream. It also helps defend the body against infection by supplying disease-fighting cells called lymphocytes. This article focuses on the human lymphatic system.
There are two major functions of the lymphatic system. The first is to drain interstitial fluid and maintain the fluid balance between blood and tissue fluid. The second is to fight infection and mediate immunity .
The lymphatic system includes tissues, vessels, and organs that move fluid throughout the body and fight infection. When excess plasma (the liquid portion of blood) collects in your body’s tissues, the lymphatic system collects it and moves it back into your bloodstream.
The best-known function of the lymphatic system is its role in body fluid balance regulation by returning the excess fluid and proteins into the venous system. The lymph helps large molecules that cannot diffuse through the capillary wall to enter the blood, like proteins or lipids.
One of the main functions of the lymphatic system is to provide an accessory return route to the blood for the surplus three litres. [6] The other main function is that of immune defense. Lymph is very similar to blood plasma, in that it contains waste products and cellular debris, together with bacteria and proteins.
The lymphatic system functions in fluid balance, immune defense, and fat absorption. Lymph nodes filter lymph, trapping pathogens and initiating immune responses. Disorders of the lymphatic system include lymphedema, lymphoma, and infections.
The lymphatic system is a vital part of the immune system. It includes organs such as the thymus, bone marrow, spleen, tonsils, appendix, and Peyer patches in the small intestine that produce and process specialized white blood cells that fight infection and cancer.
There are three primary functions of the lymphatic system: first is the maintenance of fluid balance, second is the facilitation of the absorption of dietary fats from the gastrointestinal tract to the bloodstream for metabolism or storage, and third is the enhancement and facilitation of the immune system.