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What chemicals are in a cigarette? What does smoking do to your body? Cancer Research UK Write two chemical substances produced when burning tobacco Tobacco smoke and it's effects on gas exchange PPTX How Do Cigarettes Cause Cancer? Memorial Sloan Kettering Cancer Center How does smoking cause cancer? Cancer Research UK Why you should never smoke in cars: 'The concentration of carcinogens where children sit makes your hair stand on end' Science EL PAS English
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