Question

cct 8 class 7th
Which one best explains how cigarettes cause lung cancers?

a. Smoking cigarettes transfers virus to the lungs that cause cancer

b. Cigarette smoking deposits tar in lungs which decreases lung capacity and therefore

cancer

c. Cigarette smoke contains carbon monoxide that accumulates in lungs to causes cancer

d. Cigarette smoke causes cells to mutate which increases their risk of becoming cancerous

plz tell correct answer !!!!!!​

Answer 1

Answer:

Cigarette smoke contains carbon monoxide that accumulates in lungs to causes Cancer

the answer is (c)

Answer 2

Answer:

b. Cigarette smoking deposits tar in lungs which decreases lung capacity and therefore cancer

Explanation:

Although smoking is not the main cause of lung cancer, if you now smoke or have ever smoked, your chance of developing lung cancer is significantly higher. When you smoke, the carcinogens—chemicals included in cigarettes that cause cancer—start to alter lung tissue almost instantly. When cells sustain enough damage over time, they can eventually transform into malignant cells.

Your body may be able to heal the damage at first, but as time passes, the cells become too damaged to repair, and they may eventually turn malignant.

The best course of action is to abstain from smoking. Find strategies to quit smoking if you currently do so. There is never a bad time to stop smoking.

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