Question

    The primary reason that smoking cigarettes is bad for

    our health is that cigarette smoke _______.
    A inhibits ability of haemoglobin to carry blood Correct Answer Incorrect Answer
    B weakens muscles participating in breathing Correct Answer Incorrect Answer
    C kills the cilia in the upper respiratory tract Correct Answer Incorrect Answer
    D destroys normal lung cells and grows cancer cells Correct Answer Incorrect Answer

    Solution

    The correct answer is C

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