Evaluation:
Published: 01.12.1996.
Language: English
Level: Secondary school
Literature: n/a
References: Not used
  • Essays 'Effect of Smoking on Breathing, Gas Exchange & Pregnancy', 1.
  • Essays 'Effect of Smoking on Breathing, Gas Exchange & Pregnancy', 2.
Extract

Tar
Tar is a sticky brown substance produced by cigarettes that can stain a smoker's fingers and teeth yellow/brown. It is also sometimes known as total particulate matter and is inhaled when a cigarette is smoked. Some of the chemicals in tar include benzene and benzo(a)pyrene.
Tobacco Smoke
Tobacco smoke contains many harmful gases that can be damaging to the body such as carbon monoxide, formaldehyde, hydrogen cyanide, ammonia and acrolein.
Passive Smoking
Passive smoking is involuntary smoking by non-smokers inhaling the smoke of others. Smoke emitted from a lighted cigarette can…

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