Question

write the name of four organ of immune system in human​

Answer 1

Answer:

bone marrow

spleen

lymph nodes

tonsils

Answer 2

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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).