![]() It enters the CD4 lymphocyte and multiplies in them thereby destroying the CD4 cells. The HIV is especially attracted to the CD4 type of lymphocytes. ![]() B-lymphocytes are produced in the bone marrow. The most important of T lymphocytes are CD4 type and CD8 type. ![]() T-lymphocytes are processed and stored in the thymus. The immune system protects the body by recognizing and destroying: Infectious agents such as bacteria, viruses, and parasites Ībnormal cells Foreign objects – anything from small objects like thorns, to transplanted organs. The Immune System: fights infection inside the body. Skin and mucous membrane: prevent infection from physically entering the body The body protects itself from infections in two ways: Discuss the basic components of the immune system in the human body using the points on the slide.
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