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Chapter 12 quiz 1
Question | Answer |
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Antigen | any substance including toxins, foreign proteins, or bacteria, that when introduced to the body, is recognized as foreign and activates the immune system. |
Interferon | molecules diffuse to nearby cells and bind to their membrane receptors. |
Lymph Nodes | a mass of lymphatic tissue |
Neutrophil | the most abundant of the white blood cells |
Pathogen | disease-causing microorganism |
Pus | the fluid product of inflammation composed of white blood cells, the debris of dead cells, and a thin fluid. |
Skin | the external covering or integument of an animal body, especially when soft and flexible. |
Pyrogen | an agent or chemical substance that includes fever |
spleen | a soft, blood rich organ that filters blood. |
tonsils | small masses of lymphoid tissue that ring the pharynx. |