Class 11 Biology Body Fluids Circulation Lymph

Lymph

  • When the blood passes through the capillaries in tissues, some water along with many small water soluble substances move out into the spaces between the cells of tissues leaving the larger proteins and most of the formed elements in the blood vessels, the fluid released out is called the interstitial fluid or tissue fluid.
  • Exchange of nutrients, gases, etc., between the blood and the cells always occur through tissue fluid.
  • An elaborate network of vessels called the lymphatic system collects this fluid and drains it back to the major veins.
  • The fluid present in the lymphatic system is called the lymph, which is a colourless fluid containing specialised lymphocytes which are responsible for the immune responses of the body.
  • Fats are absorbed through lymph in the lacteals present in the intestinal villi.

 Class_11_Biology_Body_Fluids_&_Circulation_Lymphatic_System

Fig. Lymphatic system

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