IMMUNE SYSTEM What is the immune system? Your immune system is your body’s version of the military: sworn to defend against all who threaten it, both foreign and domestic. It has some really interesting soldiers that help make this possible. Your immune system protects against disease, infection, and helps you recover after an injury. 10 Amazing Facts About Your Immune System(Photo: Everyday Health ) Blood and Lymph The immune system is a complex fighting system powered by five litres of blood and lymph. Lymph is a clear and colourless liquid that passes throughout the tissues of the body. Together, these two fluids transport all the elements of the immune system so they can do their jobs. Fever and inflammation are good signs Having a fever and inflammation can be unpleasant, but they’re signs that your body is doing its job. Fever releases white blood cells increaseS metabolism and stop certain organisms from multiplying. Inflammation occurs when each damage...