B1 - Infectious Diseases 0.0 / 5 ? BiologyInfectious DiseasesGCSEOCR Created by: RachelcfxCreated on: 26-04-16 20:38 What are infectious diseases caused by? Pathogens. 1 of 15 What are pathogens? Microorganisms that cause disease. 2 of 15 What are four types of pathogens? What diseases can each cause? Fungi (Athlete's foot), Bacteria (Cholera), Viruses (Flu), Protozoa (Dysentery). 3 of 15 What are symptoms of an infectious disease caused by? Cell damage, toxins. 4 of 15 What is malaria caused by? Protozoan. 5 of 15 A protozoan is a... parasite. 6 of 15 The mosquitos are... vectors. 7 of 15 What does being a vector mean? They carry the disease without getting it themselves. 8 of 15 Your immune system deals with... Pathogens. 9 of 15 What part of your immune system is most important? White blood cells. 10 of 15 Explain how white blood cells work... White blood cells travel around in your blood and crawl into every part of you looking for pathogens. 11 of 15 What are white blood cells three lines of attack? 1) Consuming 2) Producing antitoxins 3) Producing antibodies 12 of 15 How do white blood cells consume pathogens? Engulf and digest cells. 13 of 15 How do white blood cells produce antitoxins? Antitoxins counter the effect of poisons. 14 of 15 How do white blood cells produce antibodies? WBC come across a foreign antigen, produce proteins which kill cells. Antibodies reproduce and flow around body to kill all similar bacteria. 15 of 15
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