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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.

What are white blood cells?

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.

Characteristics of white blood cells

  • These white blood cells can be of two types: Lymphocytes and Phagocytes.

  • Lymphocytes are in charge of detecting and recognizing foreign bodies, immunological memory.

  • Phagocytes are those in charge of dealing with foreign bodies, they enclose the invaders inside them and then they are expelled from the body, through urine, mucus or other secretions.

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.

Learn more about Cells of the immune system here: https://brainly.com/question/7944986