PPT-Chapter 43: The Immune System

Essential Knowledge 2d2 Homeostatic mechanisms reflect both common ancestry and divergence due to adaptation to different environments 433 2d3 Biological systems are affected by disruptions to their dynamic homeostasis 432434. And 57375en 57375ere Were None meets the standard for Range of Reading and Level of Text Complexity for grade 8 Its structure pacing and universal appeal make it an appropriate reading choice for reluctant readers 57375e book also o57373ers students What is the immune system?. The body’s defense against disease causing organisms, malfunctioning cells, and foreign particles. The First Line of Defense. ~Skin~. The dead, outer layer of skin, known as the . Sue Howell, DVM. The Immune System. www.nobelprize.org.  . Identify . potentially . injurious substances. Distinguish . self from non-self. Assess level . of threat . Mount an appropriate response. Additional key terms. Lymph. Having to do with lymph or lymphatic system. Intercellular fluid as it returns to the venous circulatory system. Removes waste products from the cells. Must be filtered by the lymph nodes before it reenters the circulatory system . What is the Immune System?. Our body’s natural defensive line to foreign material called microbes.. Without an immune system, microbes would quickly attack our bodies.. Our body has three levels of defense against foreign invaders. . Oral immunity and . immunopathological. processes in the mouth.  Immunity. Microorganisms are in the air we breathe and in/on the food we eat;. Thus our epithelial surfaces are continuously exposed to microorganisms;. 11.3 (. pg. 367 – 269). Malfunctions. Abnormal functioning of the immune system. Two types of problems:. Immunodeficiency diseases. Inappropriate attacks of the immune system against non-threatening agents.. Immune. System. Factors of Immune Health. A number of factors contribute to immune health. Exercise. Feelings of stress. Nutrition. Essential oils*. *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.. Kuby. . Immunology. , . 7e: Chapter 1. A historical perspective of immunology. What is immunity?. Immunity is the state of protection against foreign pathogens or substances (antigens). Latin term . Chapter 31 Sections 1-4, 6. Pathogens and Human Illness. What are some causes of diseases?. We can have infectious and noninfectious diseases.. Infectious can be passed from one person to another because of germs. What are some examples?. By Renira Rugnath and Jeshanah Johnson . Basics . Homeostasis, or a "steady state," is a continual balancing act of the body systems to provide an internal environment that is comparable with life. The two liquid tissues of the body, the blood and lymph have separate but interrelated functions in maintaining this balance. They combine with a third system, the immune, to protect the body against pathogens that could threaten the organism's viability. . The specialists who diagnose and treat immune system disorders are called . immunologists. , and the specialty itself is called . immunology. .. Phagocytes. Phagocytes are often the first immune system cells . Your defense against the antigens of the world. The webinar recording of this presentation will be available at:. www.nspwebinars.com. Phone: 1-712-432-0453 PIN 8626. (Not a toll-free . call. ). Be in our Cancun Giveaway Drawing!. The Immune System. The immune system is a group of cells & soluble molecules, which interact & distinguish patterns in the body as “self” or “non-self,” in order to eliminate those that are “non-self.”.