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Question
Cigarette smoke contains:
Cigarette smoke contains:
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Solution
The correct option is C Nicotine
Cigarette smoking is very injurious to health. This is primarily because the smoke contains harmful substances like nicotine, tar and carbon. Nicotine is not carcinogenic. However, it is highly addictive. Smokers find it very hard to quit because they are hooked on the nicotine. Nicotine is an extremely fast-acting drug. It reaches the brain within 15 seconds of being inhaled. Tar consists of several cancer-causing chemicals. When a smoker inhales cigarette smoke, 70% of the tar remains in the lungs.
Cigarette smoking is very injurious to health. This is primarily because the smoke contains harmful substances like nicotine, tar and carbon. Nicotine is not carcinogenic. However, it is highly addictive. Smokers find it very hard to quit because they are hooked on the nicotine. Nicotine is an extremely fast-acting drug. It reaches the brain within 15 seconds of being inhaled. Tar consists of several cancer-causing chemicals. When a smoker inhales cigarette smoke, 70% of the tar remains in the lungs.
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