PPT-4b. Innate (nonspecific) Immunity

Chapter 16 Innate nonspecific Immunity Some terms Susceptibility Lack of immunity to a disease Immunity Ability to ward off disease immunity Defenses against any pathogen. Chapter 22. Functions of the Immune System. Destroy pathogens (organisms that cause disease). Detect and kill abnormal cells such as cancerous cells. Remove dead cells and debris from the body. Pathogens. The Body’s Defenses. Nonspecific Defenses Against Infection. The skin and mucous membranes provide first-line barriers to infection. -skin prevents the entry of pathogens. - mucous membranes line digestive and respiratory tracts. Year 10 Science Life - psychology. A behaviour is . any observable action. made by a living . person. Examples . include; walking, crying, blinking, eating . etc.. All . of these activities can be . E . Wolf decoy for geese (plenty in New England).. Why are these decoys efficient?. Geese do not have pictures to teach their young ones what animals to avoid…. … and so they must be born with images of predators engraved in their brain. All organisms have innate behaviors that are inherited from parents that develop independently from the environment. Innate behavior is inherited from an individual’s parents and is not modified by the individual and is generally not affected by the organism’s environment, including an organism’s experiences.. In short, it is safe to state that immunity refers to the rules and principles that govern diplomatic relations between states and other entities with legal personality within the international system.. disease. Disease-any condition that impairs the normal functioning of the body. Violation of homeostasis. Homeostasis-ability of the body to keep proper internal conditions no matter what is happening outside of it.  . Immunity . is defined as the capacity of the body to resist the pathogenic agents. It is the ability of the body to resist the entry of . different types of . foreign bodies like bacteria, . virus, . Dr. . Bipin. Patel. introduction. INTRODUCTION. The term “immunity” is referred to the . resistance of an individual . towards . injury. caused by . microbial stimuli . (microorganisms & their products) & . of certain substances in . the blood and lymph stream. . These . substances are known as antibodies. . This immunity is inborn. . . Antigens. , the foreign substances that attack the body, stimulate the production of antibodies. . The resistance that an individual acquires during life by recognising and selectively eliminating specific foreign molecules is known as acquired immunity.. This is displays four characteristic features:. Features of adaptive immunity:. Adaptive immunity is characterized by the following:. 1. Antigenic specificity: (. highly specific).. 2. Diversity : . ( each antigen there is specific T-cell and B-cell for it).. catherine. . hartnett. The Immune System. Concept 43.1- In innate immunity, recognition and response rely on shared traits of pathogens. Introductory Video. http://www.cleanvideosearch.com/media/action/yt/watch?v=Nw27_jMWw10. There are lots of . micoorganisms. that we . encounter everyday . through breathing, touching, and eating. . Most are detected and . destroyed within minutes or hours . by defense mechanisms that do not rely on the clonal expansion of antigen-specific lymhphocytes. .