An Organ Of The Lung Cells - 883 Words

Your lungs are an organ that allows you to breathe in air and supply oxygen to the body’s tissues and removing waste. Normal cells in the lungs grow and divide to form new cells as they are needed. When normal cells grow old or get damaged, they die, and new cells take their place. Sometimes this process goes wrong and new cells form when the body does not need them. Old or damaged cells do not die as they should and a mutation in the cell’s DNA occurs. The mutated cell divides and passes along the abnormal gene to two new cells, which then divides into four cells with abnormal genes in each of their DNA. With each new mutation, the lung tissue cell becomes more mutated building up and forming a mass of tissue called a growth. These abnormal lung cells do not develop as they should; instead they begin to damage and destroy the healthy lung tissue that is present. Therefore they do not carry out the normal functions of the lung cells. These normal functions consist of ta king in air, circulating oxygen throughout the body via the blood, and picking up and moving all waste gases back out of the body. Lung cancer cells can be caused by the normal aging process or through environmental factors. There are several risk factors that may increase the chances of developing lung cancer. Using any tobacco products increases the risk of developing lung cancer, but cigarette smoking is the number one risk factor and is linked to about 90% of lung cancer development in the United States.Show MoreRelatedFunctions Of The Respiratory System860 Words   |  4 Pagesrespiratory system is to exchange oxygen and carbon monoxide between the body and the environment. Throughout the body are specific organs and structures that make the respiratory system possible. In humans, respiration takes place in the lungs. 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