Immune System

immune system  'What is the immune system?' considers the basic mechanisms of immunity and describes the specific structures in the immune system where more complex activities Immune cells read the environment through their receptors and then modify how they use the genes encoded by their DNA Some groups of genes are

The immune system responds to antigens by producing cells that directly attack the pathogen, or by producing special proteins called antibodies Antibodies Innate immune system · recruit immune cells to infection sites by producing chemical factors, including chemical mediators called cytokines · activate the

Autoimmune disease · Type 1 diabetes The immune system attacks the cells in the pancreas that make insulin · Rheumatoid arthritis This type of arthritis The innate immune response is a rapid reaction Innate immune cells recognize certain molecules found on many pathogens These cells also react