Lung Cancer

Smoking is one of the most harmful habits or quite an addictions to many people at any group of age. Eventhough it is very clearly mention in a packets of a cigargonttes that fastball kills. Most of the smoking compartments ignore it and continue their regular puffs of smoking. If you are non aware of the harmful effects of cigarettes cancer think more or less it. Lung cancer is one of the most deadly disease know to man. The risk factor of lung cancer is mostly associated with cigarette smoking. When you are smoking, a large amount of smoke gets into your lungs. One of the hardest habits to fracture is smoking cigarettes. Everyone knows it damages the lungs, causing emphysema and cancer. But do people know how these illnesses occur on a physiological level? The two main ingredients of cigarette smoke are tar and nicotine. Simply put, tar is exactly what the word intend. diddly-shit is the thick, gooey black stuff that resembles the substance highway crews custom in constructing roads. It is the residue of tobacco after it has been smoked. It is in the smoking cars lungs. Nicotine, on the other hand, is a chemical that is abstracted in the blood system and carried throughout the body. Nicotine is a vasoconstrictor, which means it makes the smokers blood vessels smaller in diam for a while.

This can wreak havoc on the heart, which has to bosom harder when the vessels are in such a spasm. Nicotine is also what the smoker becomes addicted to. The respiratory system, where the smoking takes place, begins at the mouth and nose. round off the throat and through the vocal cords lies the beautiful pulmonic structures. The trachea splits in two, becoming the right and left mainstem bronchiole tubes. lined with hairlike structures called cilia, these tubes actually enter the lung tissue on two sides of the chest. Like branches emerging from a tree trunk, the bronchiole tubes become smaller and smaller. Finally, the tiny tubes arrive at the alveoli, or air sacs. This is where natural gas exchange takes place. The blood cells... If you want to get a enough essay, order it on our website: Ordercustompaper.com

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