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Given below are some human organs. Identify one primary and one secondary lymphoid organ. Explain its role. - Zoology

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प्रश्न

Given below are some human organs. Identify one primary and one secondary lymphoid organ. Explain its role.

Liver, thymus, stomach, thyroid, tonsils

टीपा लिहा

उत्तर

Primary lymphoid organ -  thymus

Secondary lymphoid organ - tonsils

Immunocompetency of T cells is achieved in Thymus Whereas tonsils help to fight viral and bacterial infections.

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Lymphoid Organs
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पाठ 8: Immunology - Evaluation [पृष्ठ १४५]

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सामाचीर कलवी Biology (Zoology) [English] Class 12 TN Board
पाठ 8 Immunology
Evaluation | Q 15. | पृष्ठ १४५
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