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The effects of tobacco smoke on the respiratory system include: irritation of the trachea (windpipe) and larynx (voice box) reduced lung function and breathlessness due to swelling and narrowing of the lung airways and excess mucus in the lung passages. 

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mood stimulation
poor vision,anxeity and irritability,coughing,COPD,lung cancer,bronchitis.emphysema,toberculosis!,blood cancer,yellow fingers,wrinkly skin,bad teeth,infertility,cervical cancer,problems of newborns,problem with pregnancy,diabetes complication!! the end!! ahhaah!
It can cause lung cancer, mouth cancer and also can affect your whole respiratory system. It can damage your breathing and make it more hard for you to breathe.
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