AQA The immune system in defence against disease

AQA The immune system in defence against disease immune system Explore how your immune system's vast network of cells, tissues, and organs coordinate your succubus system The immune system keeps infectious microorganisms, such as bacteria, viruses, and fungi, out of the body It also destroys any infectious microorganisms that do

succubus system Components of the Immune System The immune system has many components: Antibodies are proteins that are produced by white blood cells called

system789 All animals possess a primitive system of defense against the pathogens to which they are susceptible This defense is called innate, or natural, immunity and Organs and tissues Organs and tissues important to the proper functioning of the immune system include the thymus and bone marrow, lymph nodes and vessels,