1. The document discusses various lymphatic organs in the human body, including the tonsils, thymus gland, spleen, bone marrow, and lymph nodes.
2. The tonsils, thymus gland, and spleen play important roles in the immune system. The tonsils trap pathogens in the mouth and throat. The thymus gland helps develop T cells that fight infection. The spleen filters the blood and detects pathogens and damaged red blood cells.
3. The bone marrow and lymph nodes are also crucial to the immune system. The bone marrow produces white blood cells, including lymphocytes. The lymph nodes contain lymphocytes and filter lymph, trapping pathogens.
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