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7th Science Part 5
Cancer and drugs- Chapter 4; A Healthy Life- Effie Subardoe- A Beka Book
Question | Answer |
---|---|
Cancer | Can attack any part of the body; occurs when some of the body cells begin to divide and grow abnormally fast and take over nutrients other cells need |
Malignant tumor | A lump of cancerous tissue |
Metastasis | the process of malignant tumors spreading to other parts of the body |
Chemotheapy | A treatment using chemicals and drugs to destroy cancerous cells |
Drug | A substance (other than food or water) taken into the body that causes changes to the body |
OTC drugs | Over the counter drugs; can be purchased without a prescription |
Misused drugs | A drug used without following the prescribed directions |
Abused drugs | Drugs intentionally used for non-medical purposes |
Drug tolerance | Occurs when a drug users body becomes accustomed to the drug and requireds increased doses to produce the same effect |
Drug dependence | In which a drug users body or mind requires the drug to function correctly |
Withdrawal | A painful and sometimes deadly sickness that occurs wen a dependence-causing drug is no longer taken |
Narcotics | Drugs derived form the opium poppy plant |
High | A feeling of well-being after taking drugs |