What is the function of the human body immune system?
The immune system is made up of multiple different organs throughout your body, such as the spleen, lymph nodes, thymus and bone marrow. According to Medline Plus, the immune system functions to protect your body from infectious diseases and cancer but sometimes acts inappropriately.Make AntibodiesThe immune system produces proteins called antibodies. Antibodies stick to germs and marks it so the immune system can recognize it and get rid of it.Kill GermsAccording to the National Association of Allergy and Infectious Diseases, the immune system functions to detect and kill viruses and bacteria that get inside cells, and bacteria and fungi that exist outside of cells.Prevent CancerA very significant function of the immune system is to kill cancer cells before they grow and form tumors and/or spread throughout the body.Cause AllergiesAllergies occur when the immune system acts inappropriately to harmless proteins that get into the body, like pollen or peanuts.Cause AutoimmunityAnother wa