Explain how the immune system uses the other body's other systems to protect the body. Please answer in a couple of sentences using proper grammar and mechanics.The immune system is essential for the body to live. The most important is the T helper cell. The immune system uses B and killer T cells to get rid of the virus. The antibodies connect to the virus and kill it. Once someone can kill a virus, it shares with other cells so all the cells can work together to kill the virus.