Smoking
Contents
Key Stage 3
Meaning
Smoking is when someone inhales smoke from a cigarette, cigar or pipe.
About Smoking
- Smoking is addictive because the tobacco that is burned has a drug called nicotine inside which causes addiction.
- The smoke from tobacco also has other dangerous chemicals inside that damage your health:
- Tar - Which gets stuck in the mucus of the lungs damaging the cilia on the ciliated epithelial cells.
- Carbon Monoxide - Which takes the place of Oxygen in red blood cells stopping your blood from carrying as much Oxygen around the body.
Key Stage 4
Meaning
Smoking is when someone inhales smoke from a cigarette, cigar or pipe.
About Smoking
- Smoking is a risk factor in Lung Cancer and Coronary Heart Disease.
- Smoking is addictive because the tobacco that is burned has a drug called nicotine inside which causes addiction.
- The smoke from tobacco contains dangerous chemicals that damage your health:
- Tar - Which gets stuck in the mucus of the lungs damaging the cilia on the ciliated epithelial cells.
- Carbon Monoxide - Which takes the place of Oxygen in red blood cells stopping your blood from carrying as much Oxygen around the body.
- Nicotine - Which increases the risk of blood clots and hardens the ateries so that they are less flexible and when choleterol plaques form the arteries cannot expand to maintain the blood flow.
Extra Information
References
AQA
- Smoking, pages 116-117, GCSE Biology; Third Edition, Oxford University Press, AQA
- Smoking, pages 128-9, 132-6, 211, GCSE Biology; Student Book, Collins, AQA
Edexcel
- Smoking and disease, page 101, GCSE Biology, Pearson, Edexcel
- Smoking, page 187 GCSE Biology, CGP, Edexcel
- Smoking, page 44, GCSE Combined Science; The Revision Guide, CGP, Edexcel
- Smoking, page 65, GCSE Biology; The Revision Guide, CGP, Edexcel