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URL of this page: https://medlineplus.gov/immunesystem.html

Immune System

See all Immune System topics

Body Map for Immune System Bone Marrow Bone Marrow Bone Marrow Lymph Nodes Lymph Nodes Lymph Nodes Lymph Nodes Lymph Nodes Lymph Nodes Lymph Nodes Lymph Nodes Spleen Spleen Thymus Thymus Tonsil Tonsil Tonsil Whole System Whole System Whole System

The Spleen

The Thymus

The Tonsils

Immune System Topics