CELL DIVISION
MEIOSIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The person who smokes lightly has a genetic predisposition to developing cancer.
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The person who smokes heavily has a genetic predisposition to developing cancer.
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The person who smokes lightly is immune to the harmful effects of cigarette smoke.
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The person who smokes heavily is immune to the harmful effects of cigarette smoke.
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Detailed explanation-1: -When you smoke, the cancer-causing substances in cigarettes, called carcinogens, begin to change the tissue in your lungs almost immediately. Over time, the cells become too damaged and can eventually develop into cancerous cells.
Detailed explanation-2: -Doctors believe smoking causes lung cancer by damaging the cells that line the lungs. When you inhale cigarette smoke, which is full of cancer-causing substances (carcinogens), changes in the lung tissue begin almost immediately. At first your body may be able to repair this damage.
Detailed explanation-3: -Lung cancer can be caused by risk factors other than smoking cigarettes, pipes, or cigars. Examples include exposure to other people’s smoke (called secondhand smoke), radon, air pollution, a family history of lung cancer, and asbestos.
Detailed explanation-4: -"We found that compared to non-smokers, light smokers were two-and-half times more likely to die of respiratory disease and about 9-time more likely to die from lung cancer, ” she stated.