Tar, carbon monoxide, nitrogen oxides, theyre harmful because they cling to the red cells in the blood and up to 15% of a smoker's blood may be carrying carbon monoxide round the body rather than oxygen.Smoking 'lower tar' cigarettes can increase the carbon monoxide levels as smokers inhale more deeply.Cigarette smoke has high levels of nitrogen oxide.
Hope that helps
Elevated white blood cells may signify an infection (inflammatory process) or cancer of blood cells (leukemia)
Answer:
A or D. please forgive me if im wrong
Explanation:
False
It consists of the three sections the nasopharynx, oropharynx, and laryngopharynx.
