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Health Unit 4 Vocab

Diseases and Disorders Vocabulary

QuestionAnswer
infectious disease any disease that is caused by an agent that has invaded the body
pathogen any agent that causes disease
bacteria tiny, single-celled organisms, some of which can cause disease
virus a tiny disease-causing particle that consists of genetic material and a protein coat
fungus an organism that absorbs and uses nutrients of living or dead organism
antibiotic resistance a condidtion in which bacteria can no longer be killed by a particular antibiotic
inflammation a reaction to injury or infection that is characterized by pain, redness, and swelling
lymphatic system a network of vessels that carry a clear fluid called lymph through the body
white blood cell a blood cell whose primary job is to defent the body against disease
vaccine a substance usually prepared from killed or weakened pathogens or from genetic material and that is introduced into a body to produce immunity
symptom a change that a person notices in his or her body or mind and that is caused by a disease or disorder
meningitis an inflammation of the membranes covering the brain and spinal cord
salmonellosis a bacterial infection of the digestive system, usually spread by eating contaminated food
hepatitis an inflammation of the liver
amebic dysentery an inflammation of the intestine caused by ameba
lifestyle disease a disease that is caused partly by unhealthy behaviors and partly by other factors
cardiovascular disease a disease or disorder that results from progressive damage to the heart and blood vessels
stroke a sudden attack of weakness or paralysis that occurs when blood flow to an area of the brain is interrupted
blood pressure the force that blood exerts against the inside walls of a blood vessel
heart attack the damage and loss of function of an area of the heart muscle
atherosclerosis a disease characterized by the buildup of fatty materials on the inside walls of the arteries
Created by: ca1021
 

 



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