Secondary organs of immune system and their classification
Answers
Answer:
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Explanation:
secondary are the spleen and the lymph nodes
the primary are the thymus and the bone marrow
the bone marrow is the site of production of all blood cells and the site of maturation of the b-lymphocytes
the thymus is the site of maturation of t-lymphocytes and it is larger in children than in adults
the spleen it is located in the abdomen it contains b-lymphocytes and t-lymphocytes involved in immune response against infection in blood
the lymph they are small round structures present in groups around the small intestine, stomach in the neck, and under armpits. they contain b-lymphocytes and t-lymphocytes involved in the immune response against infections in tissue
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