Understanding The Immune System
The immune system is a complex network of specialized organs and cells that has evolved to defend the body against attacks by “foreign” invaders. When functioning properly, it fights off infections by agents such as bacteria and viruses. When it malfunctions, however, it can unleash an enormous variety of diseases, from allergy to arthritis to cancer.
KeywordsImmune System Systemic Lupus Erythematosus Mast Cell Natural Killer Cell Immune Complex
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