Immunity name system of protection of a live organism from genetically alien substances, i.e. antitelov.
Antibodies in relation to a human body are viruses, bacteria and toxins allocated with bacteria, and also alien albuminous molecules, cages and fabrics.
besides, as an antibody the changed cage or a difficult molecule of own organism can act.
immunity work consists in clarification of the Organism from own mutations which arise also it in the course of ability to live, and also in protection of an organism against alien agents.