Lung Cancer.

Essay by RunRabbitRun89High School, 10th grade October 2005

download word file, 2 pages 5.0 1 reviews

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Where does air go when you breathe in? They go to the lungs right, but how? When you breathe in, air passes from your nose through the windpipe, which then divides into two different tubes, one going to each lung. Then divide into smaller tubes to carry air through the lungs into the bloodstream. All the carbon dioxide then passed to the alveoli tubes and then is breathed out by the lungs. But you have a hard time doing this if you have lung cancer.

Lung cancers are generally divided into two type's non-small cell or small cell. These behave and respond to treatment quite differently. Non-small cell lung cancer is more common than small cell lung cancer. There are three main kinds of non-small cell lung cancer. First Squamous cell carcinoma is the most common type of lung cancer in men. Second Adenocarcinoma is the most common type of lung cancer in people who have never smoked.

Third Large cell carcinomas are a group of cancers with large, abnormal-looking cells. The Second type of lung cancer is Small cell lung cancer, also known as oat cell cancer because the cancer cells may look like oats when viewed under a microscope, grows rapidly and quickly spreads to other organs which is a form of mitosis in the cell.

Smoking cigarettes is known to be the biggest cause of lung cancer. The more cigarettes you smoke the higher risk you have of developing lung cancer increases. You can also develop lung cancer by second hand smoking, or contact with certain chemicals and substances, such as uranium, chromium and nickel but this are very rare causes. People also suggested you can get lung cancer from air pollution, family history, and asbestos exposure. Some symptoms of lung cancer include constant chest pain, shortness...