Video - Introduction to the lymphatic system
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Video Summary
The lymphatic system consists of a network of lymphatic plexuses and vessels, lymph nodes, and other lymphoid organs such as the spleen and tonsils. The lymphatic system helps to absorb dietary fat from the intestine, protects the body from foreign invaders, and maintains extracellular fluid volume by returning excess tissue fluid to the blood. Lymph moves through lymphatic vessels and finally drains into the venous system through the thoracic duct and the right lymphatic duct.