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Unit 3 – Homeostasis and Immunity Review Sheet Vocabulary: Cell Organ System Sexual Reproduction Homeostasis Circulation/Transport Unicellular Insulin Disease Virus Parasite Antibiotics Antibody Tissue Organism Asexual Reproduction Digestion Excretion Multicellular Dynamic Equilibrium Pathogen Bacteria Host Vaccine Allergy Organ Metabolism Stimulus Respiration Immunity Guard Cells Feedback Mechanism Microbe Fungi Protozoan Antigen HIV/AIDS Topics covered on Exam: Levels of Organization (Cell, Tissue, Organ, Organ System, Organism) Characteristics of Living Things - Composed of cell(s) - Reproduce o What are the different types of reproduction? Give me an example of an organism that reproduces each way. - Contains genetic material - Grows - Metabolism (Obtain nutrients, digestion, cellular respiration, excretion) - Maintains homeostasis - Responds to Stimuli - Evolves *You should be able to describe/define each of these characteristics. Identify major function of the Organ (Body) Systems: - Muscular - Skeletal - Circulatory - Respiratory - Nervous - Digestion - Excretory - Endocrine - Reproductive * Can you describe a place in the body where DIFFUSION takes place? What substances diffuse there? Hint: Respiratory, Circulatory or Digestive Systems * You will NOT be tested on organs and their functions. Compare how life processes are carried out in Unicellular and Multicelluar Organisms - Unicellular – Organelles - Multicellular – Organ Systems * You should know specific examples of differences. Negative Feedback Mechanism - Body Temperature - Blood Sugar Level (Insulin) o How do cell receptors play a role in this example? Why does insulin only bind to insulin cell receptors? - Guard Cells (Plants) *You should be able to describe (in detail) at least one of the feedback mechanism. Dynamic Equilibrium - What happens if an organism cannot maintain homeostasis through dynamic equilibrium? Pathogens (Virus, Bacteria, Fungi, Parasite, Protozoan) - You should know the general characteristic of each of these microbes. You will NOT be tested on specific examples. - You should know how to treat each disease. - What is a vaccine? What does it do? - Are viruses living? Why is this question a debate? How do viruses reproduce? Causes of diseases (Briefly describe theses causes of disease. Could you explain an example of each?) - Pathogens (see above) - Genetic Disorders - Exposure to Toxins - Poor Nutrition - Organ Malfunction - High Risk Activities - Can you describe an example of a disease/problem that could cause a specific organ system to malfunction? What would that disease/problem cause to happen? What would be the effect? Immune Response - Describe the steps of an immune response. - Macrophages, Helper T-Cells, Killer T-Cells, B-Cells and Plasma Cells are all TYPES of White Blood Cells! Each of them have a specific job in the immune response. What is the job of each of these cells? - Antibodies are proteins and have a SPECIFIC shape! Antibodies are NOT a type of White Blood Cell. - What is an allergy? HIV - What type of pathogen is HIV? What is AIDS? What organ system does HIV attack? What are two ways that HIV attacks/weakens this organ system? How can you prevent/control the spread of this disease?