Bio week 8 notes
Bio week 8 notes BIO 151-001
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This 2 page Class Notes was uploaded by Regan McGillick on Friday March 18, 2016. The Class Notes belongs to BIO 151-001 at University of Wisconsin - Eau Claire taught by Kelly L. Murray/ Kelly Jo Wright in Spring 2016. Since its upload, it has received 12 views. For similar materials see Biology of Humans in Biology at University of Wisconsin - Eau Claire.
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Date Created: 03/18/16
Bio Week 8 (3/14, 3/16/ 3/18) Module 3- Immunity what makes us sick? a. Prions b. Virus c. Bacteria d. Protists e. Fungi f. Worms **not all bacteria is bad! – the minority are the pathogens- majority keep us healthy Know: -bacteria=reproduce, function, treatment, anatomy -bad vs good -How do they cause diseases? -viruses= function, how they survive, types of diseases from them, treatment -use of Antibiotic = history, discovery, how are they used -Antibiotic Resistance: cause, overuse, why should we care, examples -Pathogens – what are they? -Mechanisms of Defense against Microbes: -2 types of defense mechanisms: Nonself recognition -nonspecific defense: -specific defenses: specific responses to individual types of pathogens; takes longer -Lymphatic System: functions, site, organs/vessels involved -Physical barriers: -species barriers -physical barriers -secretions -body processes -Nonspecific Defense against Diseases: -Phagocytosis a. Macrophages- when blood cells leave the blood stream b. Phagocyes in liver, spleen, lymph nodes c. Natural killer cells – specialized lymphocytes that destroy tumor cells and those infected by viruses d. Complement System – in blood is activated, enhance the defense mechanisms e. Fever Response- increase body temperature speeds defense and tissue repair -> activated by pyrogens, faster immune response, pathogens are weakened. - 2 Types of Lymphocytes: T and B cells a. T cells – in bone marrow and in Thymus gland b. B cells – in Bone marrow - 2 Types of Antibody Mediated Immunity a. Plasma cells – secrete antibodies b. Memory cells – long lived, practically immediate with rapid response and almost have memory of past pathogens
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