returns it to blood. Disposes of debris in the lymphatic stream. Houses white blood cells (lymphocytes) involved in immunity. The immune response mounts the attack against foreign substances within the body. Respiratory System Nasal cavity‚ Pharynx‚ Larynx‚ Trachea‚ Bronchus‚ and Lungs Keeps blood constantly supplied with oxygen and removes carbon dioxide. The gaseous exchanges occur through the walls of the air sacs of the lungs. Digestive System Oral cavity‚ Esophagus‚ Liver‚ Stomach‚ Small intestine
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According to the American Lung Association‚ there are an estimated 50 million people who smoke. For some reason people just do not fully understand the risks they take by smoking. Cigarette smoking is a frequent cause for many health problems with smokers. To begin with‚ there are many hazardous ingredients in cigarette tobacco. Some of the ingredients are poisonous or addictive. Cigarette smoke produces thousands of chemicals that are hazardous to a smoker’s health. There are
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genetic factors which affect the risk of different cancers. Studies of associations between tumors outcome and the patients’ ABO blood groups have shown increased relative risks for some of blood groups. The A type is more frequent in patients with larynx and hypo pharynx tumors‚ acute myeloblastic leukemia‚ ovarian‚ pancreas‚ breast‚ vulvar and gastric malignancies. A positive association with O type has been reported with several tumors like the squamous cell carcinoma of the esophagus‚ gastric
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General’s report‚ "Cigarette smoking is the major single cause of cancer mortality [death] in the United States." Cigarette smoking is the leading cause of 90% of lung cancers which is one of the hardest cancers to treat and others cancers in the mouth‚ larynx‚ esophagus‚ kidney. It may also cause heart disease‚ aneurysms and stroke‚ etc. Besides‚ breathing secondhand smoke is also harmful‚ just like the 2006 US Surgeon General’s report said that the secondhand smoke kills children and adults who don’t
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COMMUNICATION DISORDERS What is Communication Disorder? • a speech‚ language and hearing disorder which refers to problems in communication and in related areas such as oral motor function. • The symptoms vary depending on the particular type of communication disorder‚ but they generally center around problems communicating. • Children with communication disorders have deficits in their ability to exchange information with others. COMMUNICATION • a multidimensional dynamic process that
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The most important organ for breathing is Lung. There are two lungs in our body. The average size of the lungs is 11 in. All adult humans lungs are about the same size‚ but larger than a kid’s lungs because the adult body is bigger than a kid. The normal lungs have an average weight of 234g (s+/-39). The average pair of human lungs can hold about 5 litres of air. Approximately‚ human breath 24480 times in a day. The lungs are in the front of the chest and are locate beside the heart but heart is
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medulla)‚ pancreas and gonads. The pituitary gland is attached to the hypothalamus of the lower forebrain. The thyroid gland consists of two lateral masses‚ connected by a cross bridge‚ that are attached to the trachea. They are slightly inferior to the larynx. The parathyroid glands are four masses of tissue‚ two embedded posterior in each lateral mass of the thyroid gland. One adrenal gland is located on top of each kidney. The cortex is the outer layer of the adrenal gland. The medulla is the inner core
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Ventilation = (Respiratory rate; breaths per minute) x Pulmonary Ventilation Remember that some of the lung air is dead space and does not exchange gases and that only air in the alveoli exchanges gases with the blood. Air in the pharynx‚ larynx‚ trachea‚ bronchi and bronchioles does not exchange gases. The air to the alveoli = tidal volume - dead space. An average human adult at rest has a tidal volume of around 0.5 L and a dead space of around 0.15 liters (~30% of TV). This means that the
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Pathophysiology Predisposing Factor: >Age (8 years old) >Herido-Familial Disease Virulent Microorganism Precipitating Factor: >Air Pollution >Dust Microorganism enters to the nose through inhalation Passes through Larynx‚ Pharynx and Trachea Microorganism enters and affects both airway and lungs Bacteria will lie on the alveolar sacs in the lungs Sacs swell fill with fluid exudates Inflammation of the lungs
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caught and treated early for the best results. Luckily‚ Dr. Morton at East Texas Sinus and Dizziness Center is an expert in the treatment of all disorders of the ear‚ nose and throat. Throat cancer is a general term for malignant tumors of the pharynx‚ larynx and tonsils. Cancer can also impact the epiglottis at the top of the windpipe‚ but most often starts in the cells lining the inside of the throat. If you suspect throat cancer could be possible‚ do not wait in seeking diagnosis and treatment. Signs
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