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Question
Given below are some human organs. Identify one primary and one secondary lymphoid organ. Explain its role.
Liver, thymus, stomach, thyroid, tonsils
Solution
Liver, thymus, stomach, thyroid, tonsils Primary lymphoid organ – thymus Secondary lymphoid organ – tonsils Immunocompetency of T cells is achieved in the Thymus Whereas tonsils help to fight viral and bacterial infections.
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