What are “pathogens” and how does our immune system deal with

immune system  This video provides a visual overview of the immune system Written notes on this topic are 'What is the immune system?' considers the basic mechanisms of immunity and describes the specific structures in the immune system where more complex activities

The immune system recognizes invaders by their antigens, which are proteins on the surface of the invading cells Every cell or substance has its 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 This video provides a visual overview of the immune system Written notes on this topic are