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MMS Disease

Key terms for disease unit

QuestionAnswer
virus The smallest and simplest pathogen (something that causes disease). Viruses are NOT alive. Examples: flu, ebola, chicken pox, cold
bacteria simple 1-celled organism that is not always harmful Examples: strep throat, pink eye
fungi More complex than bacteria but cannot make their own food (not a plant) Examples: ringworm, athlete's foot
protozoa (protist) one-celled organism more complex than bacteria Examples: malaria, dysentery
pathogen something that causes disease
infectious disease that can be passed from one person to another by spreading germs
disease a breakdown in structure or function of a living organism
epidemiologist a scientist who maps spread of disease through a population
carriers a PERSON who spreads a disease but does not get sick from the disease themselves
vector an organism (NOT a person) that spreads disease usually without getting sick themselves Examples: Mosquitos, rats, fleas
Cell Theory The idea that cells come from other cells, all living things are made of cells, and cells are the basic unit of life. This idea came from several scientists - Schwann, Schleiden, and Virchow.
Germ Theory Specific diseases are caused by specific germs
Immune System A system of our body that protects us from infection and disease
Disease anything that causes the body to not function properly
Communicable disease A pathogen caused disease that can spread to other people
germs micro organisms, some of which cause diseases
antibodies created by the immune system to fight and kill diseases that enter the body
antigen part of a pathogen (invader in the body) that tells the body to attack and kill the pathogen
antibiotic a chemical that kills BACTERIA
lymphatic system the secondary circulatory system in the body that allows parts of the immune system to move around the body
infection when pathogens get into the body and multiply
inflammation redness, swelling, and sometimes heat around an injured part of the body
vaccine A shot given to PREVENT a disease
Created by: cvanwyk