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| 8256146746 | Inflammatory Response | Vasodilation, phagocytosis, and increase in body temperature |  | 0 |
| 8256146747 | Histamines | chemical signals that trigger vasodilation, increasing blood supply to area and cause inflammation. | 1 | |
| 8256146748 | Phagocytes | White blood cells that engulf invading pathogens e.g., neutrophils, macrophages | 2 | |
| 8256146749 | Chemokines | chemical signals secreted by blood vessel cells that attract more white blood cells (phagocytes) to the area | 3 | |
| 8256146750 | Specific immunity | B and T cells; humoral and cell-mediated response | 4 | |
| 8256146751 | Lymphocyte | White blood cell |  | 5 |
| 8256146752 | B Cells | Humoral response by producing antibodies; activated by T cells or free antigens | 6 | |
| 8256146753 | T Cells | Cell-mediated response, stimulating by APCs (antigen presenting cells) | 7 | |
| 8256146754 | Helper T Cell | Set off an alarm to the immune system that pathogens have broken through the body's line of defense; binds to class II MHC |  | 8 |
| 8256146755 | Cytotoxic T Cell | Kills body cells that have been infected with pathogens; stimulated by antigens and helper T-cells |  | 9 |
| 8256146756 | Macrophages | APC that engulfs large numbers of pathogens; presents antigen to activate T cells |  | 10 |
| 8256146757 | Interleukin 1 | Chemokine secreted by a macrophage after it engulfs and presents antigens on its surface; activates helper T cells | 11 | |
| 8256146758 | Interleukin 2 | Chemokine that stimulates B cells to become active antibody-secreting plasma cells; released by helper T cell | 12 | |
| 8256146759 | MHC I | molecules found on every body cell that presents antigen; signals cytotoxic T to destroy | 13 | |
| 8256146760 | MHC II | molecules found on macrophages, B cells, and activated T cells; signal helper T cells | 14 | |
| 8256146761 | Memory Cells | Responsible for lifelong immunity by storing copy B and T cells to more quickly fight secondary infection |  | 15 |
| 8256146762 | Antibody | Y-shaped protein with variable antigen bind region; slows pathogens to facilitate destruction |  | 16 |
| 8256146763 | Antigen | Identifying marker on the outside of a pathogen |  | 17 |
| 8256146764 | Passive Immunity | Temporary immunity where antibodies are transferred from another animal ex: mother transfers some of her antibodies to her nursing child | 18 | |
| 8256146765 | HIV | A retrovirus that attacks helper T cells |  | 19 |
| 8256146766 | Autoimmune disease | A mistake in the immune system where the body does not properly distinguish self from nonself | 20 | |
| 8256146767 | Allergy | Hypersensitive immune response to certain substances that causes that release of histamine | 21 | |
| 8256146768 | Dendritic Cells | During primary immune responses, the principle antigen-presenting cells in the lymph nodes | 22 | |
| 8256146769 | Innate Immunity | General, non-specific protection to the body, including the skin (barrier), gastric acid, phagocytes, and lysozyme. | 23 | |
| 8256146770 | Effector Cell | Short-lived lymphocyte such as a B cell or cytotoxic T lymphocyte that can take immediate action against an antigen. | 24 | |
| 8256146771 | Natural Killer Cells | A type of white blood cell that can kill tumor cells and virus-infected cells; an important component of innate immunity. | 25 | |
| 8256146772 | Mast Cells | Cells that release chemicals (such as histamine) that promote inflammation. | 26 | |
| 8256146773 | Humoral Response | The branch of acquired immunity that involves the activation of B cells and that leads to the production of antibodies, which defend against bacteria and viruses in body fluids. | 27 | |
| 8256146774 | Cell-mediated Response | The branch of acquired immunity that involves the activation of cytotoxic T cells, which defend against infected cells. | 28 | |
| 8256146775 | Neutrophils | The most abundant type of white blood cell. Phagocytic and tend to self-destruct as they destroy foreign invaders, limiting their lifespan to a few days. (aka: Pus) | 29 |
