Immune Disease | The Immune System

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patients & families > about PID > the immune system > blood cells

About Primary Immunodeficiency
The Immune System

B cells | T cells | Phagocytes (Macrophage) | Complement system

The Function of Complement

Complement System

Complement is a system of proteins in the bloodstream which works in an organised fashion to help defend against infecting pathogens. These proteins work with the antibodies and phagocytes to rid the body of infection.