The immune system’s role is to protect people from existing diseases. If you have a proper immune system, it will identify a large number of threats, viruses, parasites or bacteria and work to prevent the invasion and, if it occurs, respond and neutralize it.
The production of antibodies to fight the invading agent is done with the help of cells that activate B lymphocytes. When these antibodies are produced, it still exists in the person’s body, so if the same invading agent reappears, the immune system already has the antibodies ready. combat.
The main components of the immune system are:
- Lymph nodes. Their role is to produce cells responsible for fighting infections and diseases, they are part of the lymphatic system. If your body fights an infection, the lymph nodes may increase in size and we may feel pain.
- Few people know that this is the largest lymphatic organ. In its composition are white blood cells. These cells have the role of fighting infections and diseases in the body. It is also responsible for helping to control the amount of blood in the body.
- This small organ is where T cells mature.
- Bone marrow. Its role is to produce white blood cells. Its location is in the center of the bones.
- Their role is to identify and eliminate pathogens from the body, and is the second arm of the innate immune system. They are white blood cells in the body and include phagocytes, mast cells, eosinophils, basophils and natural killer cells.
- The role of these small white blood cells is essential in defending the body against disease. There are two types of lymphocytes. B cells responsible for producing antibodies to attack bacteria and toxins, as well as T cells whose mission is to help destroy infected or cancer cells.