The immune system is a network of cells and organs that work together to protect the body from infectious organisms. Acquired immunity specific immunity attributable to the presence of antibody and to a heightened reactivity of antibody-forming cells specifically immune lymphoid cells responsible for cell-mediated immunity and of phagocytic cells following prior exposure to an infectious agent or its antigens or passive transfer of antibody or immune lymphoid cells adoptive immunity. Immune Pathways Bioninja The CMI system is considered to have evolved in a simpler form very early as a way of recognizing self from non-self. . Helper T cell is a special type of T cell that helps the activity of other immune cells by releasing T cell cytokines. It is the immune systems job to recognize these agents as foreign and destroy them. A variety of effector T-cells sub-types are generated during an Adaptive Response and are responsible for either dir...
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