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  • 03-12-2020
  • Health
contestada

Describe three body parts that help the immune
system.

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ella666
ella666 ella666
  • 03-12-2020
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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