PPT-THE IMMUNE SYSTEM HOW DO BACTERIA MAKE YOU SICK AND KILL YOU?

Bacteria cause infection and disease by three main mechanisms 1 By directly damaging cells with microbial enzymes 2 By producing toxins poisons that either target specific organs or which can have generalized systemic effects. Resistant bacteria are left and they multiply, passing on their resistance to the drug on to t 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 . Bacterial Infections. Colonization by harmful bacteria. Using the body as resources to grow and reproduce. Battled by the immune system. Different numbers of bacteria needed to overwhelm the immune system and cause infection. 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. . Department of . Immunology. IMMU 7070-Introductory Immunology 2010-2011. Dr. . Nyla . Dil. 437 Apotex Centre. 272-3149. Oct 20, 2011. Objectives. . To understand how the immune system performs its major physiologic function.. Defense from injury & illness. BIOL.10A . Describe the interactions that occur among systems that perform the . functions of . regulation, nutrient absorption, reproduction, and . defense from injury or illness . Process Control . of Biocide Efficacy in Recycled Petroleum Fracking Drilling . Water. Edward F. . A. skew PhD. easkew@askewscientific.org. Baseline Industries provided the support for this study including the use of their Greenlight® 930 to measure oxygen uptake rate.. Science Starter:. Think of a time when you got really sick. What did you have? What did the doctor give you as medicine?. 1. What things can make you sick?. A . pathogen. is a bacteria, virus, or other microorganism that can cause disease.. Science Starter:. Think of a time when you got really sick. What did you have? What did the doctor give you as medicine?. 1. What things can make you sick?. A . pathogen. is a bacteria, virus, or other microorganism that can cause disease.. 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!. Dress Appropriately147Be sure to keep your neck and throat warm and out of the wind148 says Miller 147In Chinese medicine certain pathogens are thought to enter the body through the back of the neck a Chapter 4. Introduction. Molecules recognized as “non-self” are antigens. Several mechanisms to protect itself . First level of protection include physical and biochemical-skin, acid in stomach. Second level of protection phagocytic cells, enzymes, and proteins. A. Anatomical barriers to infections. 1.Mechanical Factors. Skin. : physical barrier and impermeable to most infectious agents. The desquamation of skin epithelium also helps remove bacteria and other infectious agents that have adhered to the epithelial surfaces. . Complete the following statements with always, sometimes or never. I ____ wash my hands before meals. When preparing fruits and vegetables, I ____ wash them thoroughly. I am ____ careful to use only my own eating utensils, drinking cups, towels, toothbrush, and grooming items..