Importance of keeping the air clean
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The document discusses the harmful effects of cigarette smoking and air pollution. It describes several diseases that are linked to smoking cigarettes, such as heart disease, emphysema, lung cancer, bronchitis, and asthma. It also explains the harmful substances in cigarette smoke, including nicotine, tar, carcinogens, carbon monoxide, and irritants. The document also discusses how life would be affected without clean air and provides some ways to reduce air pollution, such as using public transportation, planting trees, and recycling. It emphasizes the importance of maintaining clean air for health and the environment.
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Importance of keeping the air clean
- 1. THE AIR AROUND US Realizing importance of keeping the air clean CIKGU WANI
- 2. Learning Outcomes: 1) How life would be clean without clean air 2) Ways to keep the air clean CIKGU WANI
- 3. Harmful effects of cigarette smoking • Diseases related to cigarette smoking • Harmful substances in cigarette smoke CIKGU WANI
- 4. Diseases related to cigarette smoking • Heart disease • Emphysema • Lung and throat cancer • Bronchitis • Asthma • Click the disease to find out more!!! CIKGU WANI
- 5. Diseases related to cigarette smoking • Heart disease • Emphysema • Lung and throat cancer • Bronchitis • Asthma • Chemicals in cigarette smoke can cause high blood pressure, stroke (bursting of an artery) and heart attack (blocking blood supply to the heart) CIKGU WANI
- 6. Diseases related to cigarette smoking • Heart disease • Emphysema • Lung and throat cancer • Bronchitis • Asthma • Cigarette smoke damages the air sacs in the lungs • The air sacs lose their elasticity and are unable to expand and contract • The patient has difficulty in breathing CIKGU WANI
- 7. Diseases related to cigarette smoking • Heart disease • Emphysema • Lung and throat cancer • Bronchitis • Asthma • Heavy smokers run the risk of getting lung or throat cancer CIKGU WANI
- 8. Diseases related to cigarette smoking • Heart disease • Emphysema • Lung and throat cancer • Bronchitis • Asthma • The bronchi of the lungs become red and inflamed • The patient coughs up excessive phlegm • The patient suffers from chest pain CIKGU WANI
- 9. Diseases related to cigarette smoking • Heart disease • Emphysema • Lung and throat cancer • Bronchitis • Asthma • Asthma patients become worse with smoking CIKGU WANI
- 10. Harmful substances in cigarette smoke • Nicotine • Tar • Carcinogens • Carbon monoxide • Irritants • Let’s find out!!! Click the substance… CIKGU WANI
- 11. Harmful substances in cigarette smoke • Nicotine • Tar • Carcinogens • Carbon monoxide • Irritants • It is addictive • It stimulates the nervous system and damages brain tissues • It harden blood vessels and increases blood pressure CIKGU WANI
- 12. Harmful substances in cigarette smoke • Nicotine • Tar • Carcinogens • Carbon monoxide • Irritants • It is a black acidic liquid which corrodes and damages the lungs • It contains 17 chemicals which cause cancer in animals CIKGU WANI
- 13. Harmful substances in cigarette smoke • Nicotine • Tar • Carcinogens • Carbon monoxide • Irritants • Cigarette smoke contains chemicals which can cause cancer of the lungs and throat CIKGU WANI
- 14. Harmful substances in cigarette smoke • Nicotine • Tar • Carcinogens • Carbon monoxide • Irritants • It is a poisonous gas which is found in cigarette smoke • It combines readily with haemoglobin, depriving the body of oxygen CIKGU WANI
- 15. Harmful substances in cigarette smoke • Nicotine • Tar • Carcinogens • Carbon monoxide • Irritants • Cigarette smoke contains irritants such as ammonia which irritate the respiratory passage as well as the air sacs in the lungs CIKGU WANI
- 16. Life without clean air Life without clean air Acid rain e.g. metal objects are corroded and pH of soil and water sources is lowered. Deformities e.g. radioactive waste causes deformities in unborn babies Blurred vision e.g. dust or smoke in the air blurs vision. A reduction in agricultural production e.g. dust sticks to leaves and slow down the photosynthesis process. The green house effect e.g. man will live in a warmer environment Health problems e.g. lead causes blood poisoning and brain damage; smoke in the air can cause lung infections such as bronchitis.CIKGU WANI
- 17. Ways to keep the air clean • Use unleaded fuels. • Use public transport when available. Carpool when necessary. Use bicycles instead of motor vehicles. Walk to nearby destinations whenever possible. • Avoid open burning. Burn plastic waste in closed incinerators. • Plant trees in your surroundings. CIKGU WANI
- 18. Ways to keep the air clean • Buy and use products in their non-aerosol form. Propellants used in aerosol can contribute to pollution. • Select products with less packaging. Packaging consumes energy when it is made, generates harmful volatile organic compounds when it is printed and produces CO2 and CO when it is burned. When thrown away it goes to landfills, which generate greenhouse gases. CIKGU WANI
- 19. Ways to keep the air clean • Reduce, reuse and recycle items whenever possible. Buy and use recycled products. • Look for durability in products you buy and use, not just lower prices. • Ensure factories follow the environmental laws. • Use ozone-friendly gases for air conditioners and aerosol sprays. CIKGU WANI
- 20. Habits to maintain clean air • Do not smoke • Do not carry out open burning • Save energy such as gas and electricity • Walk or cycle instead of travelling by car • Go to work in a car pool • Use public transport such as buses and LRT • Keep your home well-ventilated CIKGU WANI
- 21. Test yourself!!! • What is the sources of air pollution caused by carbon monoxide? • State the gas that causes a) Acid rain b) The greenhouse effect c) Thinning of the ozone layer. • What is the effect of lead on health. CIKGU WANI
- 22. Test yourself!!! • State two steps that can be taken to prevent factory smoke from polluting the air. • State two negative effects of the depletion of the ozone layer. CIKGU WANI
- 23. Test yourself!!! • State three air pollutants that are released by motor vehicles. • Give three ways to overcome this problem. • State the best ways to reduce carbon dioxide in the air. Give a reason for your answer. CIKGU WANI