THE LUNGS The left and right lungs (Figure 23-7a‚ b) are situated in the left and right pleural cavities. Each lung is a blunt cone‚ with the tip‚ or apex‚ pointing superiorly. The apex on each side extends into the base of the neck superior to the first rib. The broad concave inferior portion‚ or base‚ of each lung rests on the superior surface of the diaphragm. Lobes and Surfaces of the Lungs The lungs have distinct lobes separated by deep fissures (Figures 23-7a‚b). The right lung has
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1. Introduction Cancer is one word that no one wants to hear. It can bring a lot of fear and confusion toward many families who have a member death of cancer. Usually‚ it is more happen in adults‚ but that was few cases‚ cancer has also been diagnosed in children too. Cancer is simply a disease of the cells in which bad cells multiply themselves and grow into tumors and even affect all other body organs. There are many types of cancer‚ but cancer is a huge issue everywhere in the world today.
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Each time a cigarette is smoked the detrimental chemicals pass through the airways to the lungs. A person may start with just a cough‚ but as time goes on they can come to develop asthma‚ COPD‚ emphysema‚ and then even cancer. When the lungs become irritated from the smoke‚ the cells that produce mucus will grow in quantity and size. This causes thicker and greater amounts of mucus in the lungs and airways. When there is an overproduction of mucus‚ your system has a hard time clearing it out. The
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telling you that you have a cancer. What is your reaction? Most people are scared of cancer. Cancer is one of the major causes of illness and death every year in the world. If anyone gets cancer‚ he/she will fight against it for the rest of his/her life. It will be a big challenge to patient and his/her family. The causes of cancer are plenty‚ but most common and important factors are the following. First‚ genetics is an important factor to cause cancer. Some cancer factors can transfer to the
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Where Cancer comes from Cancer of the lung‚ like all cancers‚ results from an abnormality in the body ’s basic unit of life‚ the cell. Tumors can also cause cancer. Tumors usually can be removed and do not spread to other parts of the body. Malignant tumors‚ on the other hand‚ grow aggressively and invade other tissues of the body‚ allowing entry of tumor cells into the bloodstream or lymphatic system and then to other sites in the body. This process of spread is termed metastasis; the areas of
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Cancer has become a challenge that faces the entire world population. According to the World Health Organization (2004)‚ cancer is the main leading cause of death in economically developed and developing countries respectively. Specifically‚ American Cancer Society (2012) declares that about 1‚638‚910 new cancer cases are estimated to be diagnosed and 577‚190 people tend to die from it in the United States during 2012. According to New Jersey Department of Health and Senior Services (1998)‚ cancer
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Rodgers PSY 201 June 8‚ 2012 Cancer Prevention Despite numerous forms of cancer and rising rates throughout America‚ there are several means of prevention one can take in order to reduce the likelihood of developing cancer. There are several lifestyle changes‚ as well as substances‚ many could give up in order to reduce their risk of contracting cancer drastically. Smoking cigarettes‚ chewing tobacco‚ breathing secondhand smoke‚ and alcohol use all go hand in hand in cancer development. Simple tasks
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Oral Cancer Oral Cancer is defined as: a neoplasia on the lip or oral cavity. Cancer of the head and neck is a very highly relevant problem of global public health. Studies on oralphyanegeal cancer have shown that its risks place it at the top ten ranking of incidence of cancers (2). The top ten ranking is even after all the advancements and progress in therapy and research. Unfortunately‚ there has been a stagnant survival rate for those affected by this cancer (2). Research has shown that there
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BLADDER CANCER Bladder cancer is the growth of malignant cells in the urinary bladder. Most forms of bladder cancer start in the superficial layer of the transitional epithelium‚ and most often affect the transitional cells. It may also be called transitional cell carcinoma or even urothelial carcinoma. Urothelial carcinoma is also a term used for transitional cell cancer in the renal pelvis‚ ureters‚ and urethra. Bladder cancer is a relatively common disease. It is the fourth leading cancer
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every year‚ making it more lethal than car accidents and drug overdoses just to name a few. A smoker’s life expectancy is reduced by 15 to 25 years and is the single most preventable cause of death. With lung cancer being a primary result of cigarette smoking‚ there are also a wide array of other lung problems that occur as a result of smoking. Cigarettes contain 4000 chemicals‚ most of them are toxic. These ingredients affect everything from proper organ functioning to the efficiency of the body’s
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