B1 Revision(How our bodies defend ourseleves) 0.0 / 5 ? BiologyMicrobes and diseaseGCSEAQA Created by: Sahil_Sharma10Created on: 28-03-16 15:39 Microorganism Small organisms, seen under a microscope e.g. bacteria and viruses 1 of 16 Pathogen A microorganism that can cause an infectious disease. 2 of 16 Bacteria Single-celled microorganism. They don't have DNA in the nucleus. 3 of 16 Virus Very infectious pathogen. Can only reproduce in a host cell. 4 of 16 Toxin Poison 5 of 16 Symptoms How you feel when you have a disease. 6 of 16 Painkiller Drug that stops you feeling pain. 7 of 16 Antibiotic Chemical that can be used as medicine to kill bacteria. 8 of 16 Antibiotic Resistance The ability some bacteria develop meaning that an antibiotic will not kill them anymore. 9 of 16 Immune System Your body's system that fights infections. 10 of 16 Antibody Special protein in the body that can bind to a particular pathogen and destroy it. 11 of 16 Antigen Special protein on the surface of pathogenic cells. 12 of 16 Immunity After you have made antibodies to a pathogen, you are able to fight off the pathogen in future without getting ill. 13 of 16 Immunisation Medical procedure that involves injecting dead or inactive pathogens into a patient to stimulate the body into creating antibodies. 14 of 16 Epidemic Sudden outbreak of a disease that affects many people within a country. 15 of 16 Pandemic Epidemic that sweeps across continents or the world. 16 of 16
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