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प्रश्न
Give one significant difference between primary lymphoid organs and secondary lymphoid organs. Give one example of each.
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उत्तर
Primary lymphoid organs – In these organs, immature lymphocytes differentiate into antigen- sensitive lymphocytes
e.g., Bone marrow, Thymus Secondary lymphoid organs – The matured lymphocytes undergo proliferation and differentiation
e.g., lymph nodes, spleen, tonsils.
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