T cells can phagocytize foreign cells and viruses {cell-mediated system} {cellular immunity}|. After contacting cells having different MHC surface proteins, lymphocytes change to macrophages, as antigen combines with special RNA, which engulf foreign cells. Memory cells take information back to lymph nodes and spleen, where memory cells change to plasma cells.
Biological Sciences>Zoology>Organ>Immune System>Immunity Types
4-Zoology-Organ-Immune System-Immunity Types
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Date Modified: 2022.0224