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health chapter8(DMS)

7th grade health chapter 8 vocab. words

Nicotine an addictive, or habit-forming, drug found in tobacco
tar a thick dark liquid that forms when tobacco burns
carbon monoxide a colorless, odorless, poisonous gas produced when tobacco burns
alveoli the tiny air sacs in the lungs
emphysema a disease that results in the destruction of the lungs
respiratory system includes the organs that supply your blood with oxygen
trachea passageway in your throat that takes air into and out your lungs
epiglottis a flap of tissue in the back of your mouth that keeps the food out of your trachea
bronchi two passageways that branch from the trachea, one to each lung
lungs two large organs that exchange oxygen and carbon dioxide
diaphragm a large lung, dome-shaped muscle below the lungs that expands and compresses the lungs, enabling breathing
addiction a mental at physical need for a drug or other substance
withdraw the unpleasant symptoms that someone experiences/feels when he or she stops and addictive substance
psychological dependence a persons belief that he or she needs to feel good or function normally
physical dependence an addiction in which the body develops a chemical need for a drug
tolerance the body's need for larger and larger amounts of a drug
target audience a group of people for which a product is intended
product placement when a company pays to show its products in media being used by celebrities
media literacy the ability to understand the goals of advertising and the media
secondhand smoke air that has been contaminated by tobacco smoke
passive smoking nonsmokers who breathe in secondhand smoke
mainstream smoke the smoke that is inhaled and then exhaled by a smoker
side-stream smoke smoke that comes from the burning end of a cigarette, pipe, or cigar
cold turkey stopping all use of tobacco products immediately
Created by: 900911