PATHOLOGY

Detailed explanation-1: -Your immune system is made of up a complex collection of cells and organs. They all work together to protect you from germs and help you get better when you’re sick.

Detailed explanation-2: -Organs and tissues of the immune system include the bone marrow, spleen, thymus, tonsils, mucous membranes, and skin. Granulocytes, macrophages, and T lymphocytes are examples of specialized cells.

Detailed explanation-3: -The immune system is a network of cells, tissues, and organs that work together to defend the body against attacks by “foreign” invaders. More: The reaction by the immune system to antigens (substances such as bacteria and viruses) that the body recognizes as foreign is called immune response.