The Immune System Team Everyone seems to be talking about the immune system and how to “boost” it. Lucky for us, our bodies always have our best interests in mind. Even when we are not consciously trying to give our bodies a boost, there is always so much going on beneath the surface. What even is the immune system? The immune system is the body’s defense. If a football team didn’t have a defensive line, there would be nothing to stop the opposing team from scoring over and o