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| 9421788143 | Lymphatic System Function | Defense and returns excess fluid from tissues to the cardiovascular tissue | 0 | |
| 9421788144 | Lymphatic parts | lymphatic vessels, lymph nodes, organs | 1 | |
| 9421788146 | Two main types of lymphatic cells | Macrophage and Lymphocytes | 2 | |
| 9421788147 | Types of lymphocytes | B and T cells | 3 | |
| 9421788148 | General characteristics of immune response | Antigen specific, has memory, systemic | 4 | |
| 9421788149 | Nonspecific defense system | Innate immunity that responds immediately to protect body from all foreign substances | 5 | |
| 9421788150 | Specific defense system | Acquired immunity that will stimulate only certain cells for an antigen | 6 | |
| 9421788151 | Inflammatory response | body's second line of defense that causes redness and swelling in an injured area | 7 | |
| 9421788155 | Antigens | any substance capable of exciting our immune system and provoking an immune response | 8 | |
| 9421788156 | Pathogen | harmful or disease causing microorganisms | 9 | |
| 9421788159 | Immune response | reaction to a threat that starts inflammatory response and attacks specific antigens | 10 | |
| 9421788166 | Macrophages | cells that engulf and destroy bacteria, viruses, and other foreign substances | 11 | |
| 9421788167 | Lymphocytes | type of white blood cell that responds to foreign substances (B and T) | 12 | |
| 9421788163 | Helper T cells | directors of immune system | 13 | |
| 9421788154 | Cellular immunity | when lymphocytes (living cells) defend the body | 14 | |
| 9421788168 | T cells | non-antibody producing lymphocytes that make up cell mediated immunity | 15 | |
| 9421788162 | Cytotoxic T cells | T cell that kill off cells with foreign structures on their surface such as virus or bacteria infected cells, cancer cells, or foreign graft cells | 16 | |
| 9421816966 | Humoral immunity | defending the body with antibodies present in the body's fluid | 17 | |
| 9421788161 | B cells | produce antibodies and oversee humoral immunity | 18 | |
| 9421788165 | Plasma cells | rapidly multiplying B cells that release antibodies | 19 | |
| 9421788157 | Active immunity | when B cells must encounter antigens in the body and then produce antibodies | 20 | |
| 9421788158 | Passive immunity | getting antibodies from another immune human or animal donor | 21 | |
| 9421788153 | Antibody | Y shaped protein structures that bind to antigens | 22 | |
| 9421788160 | Suppressor T cells | slows activity of T and B cells | 23 | |
| 9421788164 | Memory cells | remain behind to be activated again if antigen returns | 24 |
