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### Impacts of Cigarette Smoke: Nicotine, Tar, and Carbon Monoxide Consequences ###

Cigarette smoke is laden with harmful substances, primarily nicotine, tar, and carbon monoxide. Nicotine, a potent drug, fosters addiction and complicates cessation for smokers. It alters brain function leading to feelings of relaxation while significantly impacting the circulatory system by raising heart rate and blood pressure, contributing to heart disease. Tar can induce cancer by damaging lung cells and promoting uncontrolled cell division. Carbon monoxide hampers the cilia's functionality, leading to mucus build-up, cough, and conditions like emphysema by obstructing oxygen transfer in the blood. ###

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### Impacts of Cigarette Smoke: Nicotine, Tar, and Carbon Monoxide Consequences ###

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Presentation Transcript

  1. SMOKING Nooreeen

  2. Constituents of cigarette smoke • Ciggarette smoke contains a powerful drug called nicotine. • Nicotine is addictive. • This is the reason why the people who smoke find it very difficulyt to give up • Ciggarette smoke contains many different harmful substances like tar particulates and carbon monoxide

  3. Nicotine • Nicotine affects the brain and makes people feel relaxed • It also affects the circulatory system • It increases the rate of heartbeat and blood pressure and smokers suffer from heart diseases

  4. Tar and carbon monoxide • Tar can cause cancer • Chemicals in tar affect the cells that line the passageways leading to the lungs , and also the cells in the lungs themselves • They may damage the cell’s ability to control their division • Some of the cells may begin to divide over and over again uncontrolabally forming a lump called Tumor • Tar and carbon monoxide affect the cilia and the goblet cells that line the trachea and bronchi

  5. Carbon monoxide anaesthetises the cilia so that they stop working • The smoke also makes the goblet cell work harder producing more mucus as there is no cilia to sweep it upwards , the mucus trickles down into the lungs • This makes the person cough • This prevents the oxygen easily diffusing from the alveoli into the blood • This condition is called emphysema • Carbon monoxide also reduces the oxygen carrying capacity of the blood

  6. BYE BYE

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