Spiral Notes – Immune System Response

Spiral Notes – Immune System Response The Immune System is a network of cells, tissues, and organs that work together to protect the body. The cells involved are white blood cells, or leukocytes, which come in two basic types that combine to seek out and destroy disease-causing organisms or substances.  Important Terms: Antigen -________________________________________________________________________________________________________________________________________________ Pathogen - ______________________________________________________________________________________________________________________________________________ Antibody - ______________________________________________________________________________________________________________________________________________ Antibodies combine chemically with substances that the body recognizes as alien, such as bacteria, viruses, and foreign substances in the blood. WBC - ________________________________________________________________________ 1st Line of Defense (Outside the Body): Skin, ____________________, Sweat, _________________; Inflammatory Response – Rash, _____________________, Sneezing 2nd Line of Defense (Inside the Body) - Immune Response Type of Cell Job of Cell ____________________: Type of WBC; Eats antigens, eats pathogens bound to antibodies, eats infected cells (phagocytosis) ____________ Cells: Reads, recognizes antigen (bad guy) shape; Tells B-Cells/Macrophage about antigen shape ____________ Cells: Creates (makes) an “army” of antibodies (good guys) to find antigen

Spiral Questions – Immune System Response Name:_________________________________________________ Period: _______ Spiral Questions – Immune System Response What is the function of a macrophage? Why is an antigen important in cell recognition? What is the function of a memory B Cell? Which cell first recognizes a virus and begins combating it? What is the function of a Helper T-cell? Which type of cell does HIV target? What is a consequence of a low count of Helper T Cells?