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Transcript
Homeostasis & Immune System Review I Form Science Sources: HBH Chapter 8 Pg 191-199 HBH Chap 1 Pg 13-22 Video: The Immune system Homeostasis lab Chicken wing lab Concepts: Chapter 1: The Human Body -Homeostasis: process by which the body’s internal environment is kept stable in spite of external changes -4 levels of organization: cells, tissues, organs, organ systems Cell: basic unit and building block of all life Tissue: group of similar cells that perform the same function 4 types: muscle, connective, nerve, epithelial Organ: a group of different tissues with a specific job Organ systems (11) see chart pg 22: a group of organs that work together to do a specific job -homeostasis lab: influence of exercise on: skin color, perspiration, external body temp, heart rate, breathing rate -chicken wing lab: role of nerves, muscle, tendons, ligaments, fat, skin Chapter 8: Body defenses: 1st line: skin, body openings (general) 2nd line: inflammatory response (general) histamines, fever, interferon 3rd line: antibodies (very specific) puzzle analogy & key/lock analogy -role of antigens, T cells (infantry), B cells (artillery) Immunity: Active (you make antibodies) get disease or vaccination Passive(you don’t make antibodies) flue shot Allergies: role of histamines and allergens Infectious diseases: caused by microorganisms Noninfectious: not caused by microbes (ie cancer, diabetes, genetic problems) Pathogens Vectors (air, water, food, insects& animals, person to person) Immune system film: -how do bacteria develop resistance -reasons why antibiotics have become a problem Key terms: Homeostasis Cell Tissue Organ Organ system Tendon Ligament Cartilage Equilibrium Inflammatory response Interferon Histimine Antihistimine Anti-inflammatory Antigen Antibody Active Immunity Passive Immunity Phagocytes Macrophages Lymphocytes B Cells T Cells (Killer & Helper) Memory Cells Allergy Pathogen (virus, bacteria, protest, fungi) Infectious disease Contagious disease