Body Fluids and Circulation

composition of lymph and its function

  • Lymph is a colourless fluid connective tissue comprising lymph plasma (fluid) and lymph corpuscles. lymph contains very small amount of nutrients and oxygen but contains abundant carbondioxide and other metabolic wastes.
  • Lymph plasma is similar to blood but has fewer blood proteins, less calcium and phosphorus and high glucose concentration mainly globulin proteins are present which are antibodies.
  • Lymph cells are mainly lymphocytes. RBC and platelets are absent in lymph. lymphoid organs are lymphnodes, tonsils, thymus gland, spleen and peyer's patches. (spleen - largest lymphoid organ).
  • Lymph acts as middleman which transfers materials from blood to body cells and vice versa.
  • Lymph takes antibodies and lymphocytes from the lymphnodes to blood and destroys the invading microorganisms.
  • Lymph maintains the quality and quantity of the blood.
  • It absorbs and transport fats and lipid soluble vitamins from intestine.

Watch this video for the topic composition of lymph and its function from 46:08 to 51:10

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