front 1 organisms that are too small to be seen without using a microscope | back 1 microbe |
front 2 a condition that disrupts processes in the body | back 2 disease |
front 3 parasites that can reproduce only inside the cells of plants, animals and bacteria. Many diseases like common cold, influenza, chickenpox and cold sores are caused by these | back 3 viruses |
front 4 small single-celled prokaryotes that sometimes grow in or on human tissue and cause disease | back 4 bacteria |
front 5 often found on rotting materials in a forest; they cannot move and therefore live on other dead and decaying materials | back 5 fungi |
front 6 a single-celled or multi-celled organism with a simple biological structure | back 6 protist |
front 7 an organism that lives on or in another organism, it takes nourishment from its victim | back 7 parasite |
front 8 occurs when an infectious disease spreads to many people in one particular geographic area, in excess of the number of cases that might usually be expected | back 8 epidemic |
front 9 occurs when an infectious disease spreads to millions of people around the world | back 9 pandemic |
front 10 conditions and practices that help to maintain health and prevent the spread of diseases | back 10 hygiene |
front 11 agent that causes illness or disease | back 11 pathogen |
front 12 the cells in which another organisms lives or feeds | back 12 host cell |
front 13 a chemical that kills or inhibits growth of bacteria | back 13 antibiotic |
front 14 any substance which is used to stimulate the production of antibodies, in turn providing immunity against one or a few diseases | back 14 vaccine |
front 15 the process whereby a person is made resistant to a disease, typically by the administration of a vaccine | back 15 immunization |
front 16 can spread among a population in various ways, such as transfer of body fluids or contaminated food or water | back 16 infectious disease |
front 17 the spread of disease from one person to another by close contact | back 17 contagion |
front 18 any organism that can transmit a disease from one animal or plant to another (e.g. ticks) | back 18 vector |
front 19 a person who has one copy of a mutated (changed) disease-causing gene but has no symptoms or mild symptoms | back 19 carrier |
front 20 any cell or organism that possesses a clearly defined nucleus (e.g. plants and animals) | back 20 eukaryote |
front 21 individual microscopic organism with no nucleus (e.g. bacteria) | back 21 prokaryote |
front 22 A measure of how fast a new disease/illness spreads in a population over a period of time | back 22 rate of infection |