What effect does carbon monoxide have on the body?
A) It impairs the cilia's cleansing function.
B) It diminishes the oxygen-carrying capacity of the red blood cells.
C) It diminishes hormone production.
D) It irritates nasal passages and lung tissue.
Question 2
Bidis are becoming increasingly popular because they are viewed as safer than regular cigarettes. Research shows that bidis actually
A) produce three times more carbon monoxide and nicotine than cigarettes.
B) produce 20 percent less tar than cigarettes.
C) provide lower exposure to nicotine and carbon monoxide than cigarettes.
D) produce five times less tar than cigarettes.