System of latin systema is a module ordering of interdependent elements that interact with one another. It can be real objects or abstract concepts that are staffed organization.
Immune, on the other hand, refers to what is not attacked/attackable by certain diseases. In medicine and biology, immunity is associated with the State of resistance to pathogenic microorganisms or foreign substances.
The immune system also known as the immunological system name consists of all structures and biological processes that protect the body by identifying and destroying pathogenic cells, viruses, parasites, etc.
The immune system works well, need to distinguish between foreign substances in the cells and the body's healthy tissues. For this purpose, it is argued the action of antibodies, lymphocytes, leucocytes and other components, well the evolution of pathogens to make complicated anomaly detection.
The immune system must therefore appeal to various mechanisms which allow it to recognize and neutralize pathogens. Humans, like other vertebrates, have very sophisticated defense mechanisms that interact in a dynamic network.
Means adaptive immunity or immunity acquired the capacity to adapt, over time, to the recognition of specific infectious agents more effectively. Immunologic memory is created from the primary response to an infectious agent specific and allows to develop a better response facing any upcoming meetings.