LYMPHATIC
LYMPHATIC SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is NOT a lymphoid organ?
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Thymus
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Colon
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Spleen
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None of These
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Explanation:
Detailed explanation-1: -The internal lymphoid organs include the thymus, spleen, bone marrow and some of the lymph nodes.
Detailed explanation-2: -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).
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