The immune system is made up of a network of white blood cells that run through the body and allow the body to be kept free of foreign and potentially harmful agents.
White blood cells or leukocytes are the blood cells that are responsible for carrying out the immune response, acting in the defense of the body.
Therefore, we can conclude that the immune system is made up of various cells and especially white blood cells, whose mission is to recognize and expel invaders from the body.
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