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  • Write the functions of bone marrow as the primary lymphoid organ and lymph nodes as the secondary lymphoid organs.        

Write the functions of bone marrow as the primary lymphoid organ and lymph nodes as the secondary lymphoid organs.

 

 

 

 
 
 
 
 

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The bone marrow is the main lymphoid organ (primary) where all blood cells including lymphocytes are produced. Both bone-marrow and thymus provide micro-environments for the development and maturation of T-lymphocytes.

The lymph nodes are small solid structures located at different points along the lymphatic system. Lymph nodes serve to trap the micro-organisms or other antigens, which happen to get into the lymph and tissue fluid. Antigens trapped in the lymph nodes are responsible for the activation of lymphocytes present there and cause the immune response.

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Priyanka Kumari

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