Immune Guided Notes.docx - CHAPTER 22 \u2013 IMMUNE SYSTEM GUIDED NOTES 22.1 \u2013 Overview of Diseases Caused by Infectious Agents_Infectious Agents are

Immune Guided Notes.docx - CHAPTER 22 – IMMUNE SYSTEM...

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CHAPTER 22 – IMMUNE SYSTEM GUIDED NOTES 22.1 – Overview of Diseases Caused by Infectious Agents _Infectious Agents__ are organisms that cause damage, or possibly death, to the host organism that they invade. Your text lists five major categories of infectious agents, list them below. ___bacteria_____ _____fungi_____ ___viruses______ _multicellular parasites_____ __protozoans_______ _Prions____ are small fragments of infectious proteins that cause disease in the nervous tissue. 22.2 – Overview of the Immune System The opening sentence of this section lists three things that protect the body from harm. List them below. ___immune cells______ ____secreted molecules___ ______plasma proteins____ What are the five structures (locations) that contain immune system cells? __secondary lymphatic structures__ ____blood___ _select organs___ __connective tissue__ _epithelial layers of the skin and mucosal membranes__ __cytokines___ are small, soluble proteins produced by cells of both the innate and adaptive immune system to regulate and facilitate immune system activity. Your text discusses four functions of cytokines, list them below. ____means of communication between cells______ ____control the development and behavior of immune cells________ __regulate the inflammatory response of innate immune system___ ____functions as weapons to destroy cells______________ Some defense mechanisms of the immune system serve to protect us against numerous different substances, and because we are born with these defenses, this type of immunity is referred to as ___innate immunity____.
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Innate immunity includes the barriers of the __skin__ and _mucosal membrane__that prevent entry, as well as non-specific _ internal defenses__ and _physiologic processes__ internal defenses. ___adaptive immunity____ involves specific T lymphocytes and B lymphocytes, which respond to different foreign substances (or antigens) to which we are exposed during our lifetime.
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