please reply to the post below with 2 references why in agreement or disagreement with the post. 


Smoking is a habit that is hard to break due to the addictive component in tobacco called nicotine. By definition of Britannica, smoking is the inhalation and exhalation of fumes from burning plant material. (Britannica, 2019)

Smoking tobacco is the top risk factor for preventable diseases.  It affects the body systemically causing deaths due to cancer, cardiovascular and metabolic diseases but primarily affects the pulmonary system negatively modifying lung function.

    As one inhales the fumes in smoking it affects the goblet cells which produces mucus in the lungs.  The amount of mucus increases and thickens and the lungs have a hard time excreting this excess mucus thus it stays in the airways clogging them and making one cough. Furthermore, tobacco smoke irritates the tissue in the bronchioles and alveoli thus damaging the lining of the lungs. Chronic smoking results in chronic inflammation of the linings leaving it scarred.

Oxygenation of the blood takes place in the capillaries and alveoli, in turn delivering oxygen to the organs of the body.  Damage in the tissues of the lungs causes low oxygen saturation of ones body depriving the circulatory system and eventually damaging organs or making them inefficient.

 


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