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The bronchial tubes are lined ventilation ducts of the lungs. The inflammation of the bronchi called Bronchitis. This may be the result of a cold, a throat endolorie or the influentza. Fresh air and low temperatures in winter influence in a negative way the disease. You may be contaminated with the virus that causes bronchitis in a breathing polluted air or by smoking.

The symptoms last for one or two weeks, but this period is longer and becomes chronic bronchitis in cigarette smokers. They are also inevitable sudden outbreaks of winter. Using a microscope, we can have the image of cells in the lungs healthy. These cells seem large, colomnaire and their surface is covered with cilia that can move creating the image of a wind blowing through a field of ripe corn. This surface is covered with cilia around inside the tube and it has the role to protect the lungs. This protection is possible because the movement of eyelashes carry dust and other foreign materials up and from the air bags sensitive lungs.


the ciliated cells can be damaged by various external irritants such as cigarette smoke, industrial pollutants and other chemicals. Thus the effect of the movement of eyelashes will not give results. Therefore glands produce a large amount of mucus that can 't be evacuated and it is accumulated in the tubes. This is one of the causes of persistent cough that characterizes bronchitis. Usually this cough succeed to clear the mucus. Another way of protecting the lungs is the action of white blood cells whose main role is to fight inflammatory processes. Another sign of chronic bronchitis is weezing. It is produced by the bronchospasm, which is represented by the contraction of muscles in the circular wall of the bronchial tubes. If this happenes the coughing becomes less efective too. The bronchitis part of the disease grouped under COPD which means chronic obstructive pulmonary disease.

If the disease doesn 't respond to treatment that can progress to COAD (disease chronic obstructive airway). In this case the tiny air sacs of the lung decompose to form larger airspaces. At the same time, because of this change, the area available for transfer oxygen to blood is much less. As other organs are less oxygen. block mucus bronchial tubes smaller becomes inflamed. In these circumstances smoking becomes more dangerous. Another disease that is part of the category of COPD is emphysema. Bronchitis and emphysema lead to dyspnea. Another aspect is that limited the amount of oxygen that reaches the blood. This blood without enough oxygen is blue and it gives a bluish tint to the skin. In medicine the color of the skin called cyanosis. This is a very useful for diagnosis. The heart is also affected in bronchitis. The good heart expands. There is an additional pumping power because of increased resistance to blood pumped through the lungs. The result is edema which is an excessive accumulation of fluid in the interstitial space.






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