Read the following statements and choose the correct option 1.Tobacco has been used for over 400 years and can be smoked, chewed, or used as a snuff. 2.Nicotine, an alkaloid in tobacco, stimulates the pancreatic glands to release adrenaline and nor-adrenaline, increasing blood pressure and heart rate. 3.Smoking is linked to an increased risk of cancers of the lung, urinary bladder, and throat, as well as other condit

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Smoking also paves the way to hard drugs. Tobacco has been used by human beings for more than 400 years. It is smoked, chewed or used as a snuff. Tobacco contains a large number of chemical substances including nicotine, an alkaloid. Nicotine stimulates adrenal gland to release adrenaline and nor-adrenaline into blood circulation, both of which raise blood pressure and increase heart rate. Smoking is associated with increased incidence of cancers of lung, urinary bladder and throat, bronchitis, emphysema, coronary