LYMPHATIC
LYMPHATIC SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Secondary lymphoid tissues
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Primary lymphoid tissues
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Tertiary lymphoid tissues
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All of the above
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Detailed explanation-1: -Primary lymphoid organs: These organs include the bone marrow and the thymus. They create special immune system cells called lymphocytes. Secondary lymphoid organs: These organs include the lymph nodes, the spleen, the tonsils and certain tissue in various mucous membrane layers in the body (for instance in the bowel).
Detailed explanation-2: -Lymph nodes are specialized organs dedicated to activation of T and B cells. Humans possess over 500 lymph nodes in their body, with many of them residing in clusters in the neck, underarms, chest, and abdomen.
Detailed explanation-3: -Secondary lymphoid tissues are also where lymphocytes are activated. These include: lymph nodes, tonsils, spleen, Peyer’s patches and mucosa associated lymphoid tissue (MALT).