Tobacco inhalation causes:

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(D) Tobacco smoke contains harmful substances like nicotine,carbon monoxide,and tar.Nicotine stimulates the adrenal glands to release adrenaline and n

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Nerve stimulation,heart diseases,decrease in $O_2$ carrying capacity,lung cancer,chronic bronchitis,etc.

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(D) Tobacco smoke contains harmful substances like nicotine,carbon monoxide,and tar.Nicotine stimulates the adrenal glands to release adrenaline and noradrenaline,which increases blood pressure and heart rate.Carbon monoxide binds to hemoglobin more strongly than oxygen,forming carboxyhemoglobin,which significantly reduces the oxygen-carrying capacity of the blood.Long-term inhalation of tobacco smoke is strongly associated with serious health conditions,including lung cancer,chronic bronchitis,emphysema,and coronary heart disease.Therefore,option $D$ covers the most comprehensive range of adverse effects caused by tobacco inhalation.

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