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The organ of the heart is the main function within the cardiovascular system. When the heart developed the coronary heart disease (ischaemic heart disease) due to health issues formed by lifestyles such as unhealthy diet, lack of exercise, being overweight and smoking the disease. When the heart is diseased functions of the cardiovascular system becomes effected due to to unavailability to provide towards its functions of circulating blood through the body giving necessary cells supplies of oxygen and blood. Heart disease is a disease which causes a build-up of plaque builds from fats called atheroma within coronary arteries (atherosclerosis) which effects the functions of the cardiovascular system. This causes a limitation of providing blood circulation which can cause a blood clot due to the build-up within the coronary arteries which can cause the arteries to narrow and become damaged from the build-up of plaque from heart disease which increases individuals heightened levels of cholesterol, high blood pressure as well as causing Triglycerides a type of fat within blood which functions towards energy resources as well as developing Peripheral arterial disease. Coronary heart disease can cause reduced blood flow within the cardiovascular system as the circulatory system is limited the weakness of the capacity for pumping blood within the chambers of the heart muscle reducing blood supply within the entire body which can cause a coronary heart failure caused by the effects of blockage of arteries due to heart disease which can cause permanent damage towards the heart within a long-term condition causing strain towards cardiovascular system functions. The negative effect of atherosclerosis increases the heart to experience a heart attack (Myocardial Infarction) as build-up of plaque are common within larger main arteries closer towards the heart the effects of high blood pressure is easily assessable to flow regularly within the hearts functions. This can cause the tearing of plaque within the arteries which can result in bleeding as this can forms blood to become clotted the heart then produces itself blood via smaller arterial branches that break off the main arteries this can cause a blocking of blood supply leading to heart muscle death. This reduces the ability of the heart to function. Another effect of the coronary heart disease towards the functioning of the cardiovascular system can case strokes. Due to clots forming and traveling within the main bloodstream which are then reached through a vessel and travelled to Early branches off the arteries include smaller arteries that lead up to the brain which are in constant need towards retrieving blood supplies. If clotting of arterial clots travels up these passages into the brain lodging of blood can occur as arteries branch and causing narrowing this can cause blood flow to be prevented to portions of the brain which causes cells to die due to insufficient retrievals of oxygen and blood as well as a stroke from blood supply being cut. The after effects of stokes can cause individuals to loss of movement or speech or sensation as well as fatality.
A stroke is a condition caused by a shortage of blood supply within the brain resulting in the essential nutritional needs of blood and oxygen being obtained causing brain cells to become damaged or to die the damaging or deaths of cells can have impact towards within certain areas of the brain of neurons within the nervous system can be effected resulting in individuals having permanent damages towards issues such as loss of ability to communicate. There are Haemorrhagic stroke which cause by the result of blood vessels rupturing or breaking which causes blood to become spilled into its surrounded tissues caused by aneurysm or arteriovenous malformation. There is also Ischemic stroke and Transient ischemic attack. An ischemic stroke is cause by blood clots which are flowing within the brain caused by atherosclerosis, which is a build-up of fatty deposits on the inner lining of a blood vessel from heart diseases which causes blood to become blocked within the brain. A transient ischemic attack is a mini stroke or a warning also caused by blood flow circulation prevention but only last for short periods of time. The nervous system provides towards the main functioning of the organ if the brain which controls major functions towards all the human body by the prevention of blood flow the brain in unable to provided towards it functions due to blood pressure. Stroke can cause individuals to be disabled or cause death towards individuals dur to the depriving of blood and damaging of cells which can cause individuals to have Behaviour changes, Speech difficulties, Numbness or pain or paralysis and memory loss caused by the damaging factors towards the nervous system because of stokes destroying neurons within the nervous system which are unable to be replaced causing permanent abilities to become lost as well as brain damage. The right side of the brain caused by brain damage from the effect of a stroke effect difficulties towards communication this causes individuals to experience attention and decreased perception as well as processing information (visual and verbal) and decreased cognitive thinking, poor judgment, short attention span as well as short term memory loss. While the left side of the brain damaged through an effect of stroke can cause paralysis as well as Aphasia is a disorder that results from damage to portions of the brain that are responsible for language which usually is appeared to be slurred speech from the right sided face and/or mouth weakness known as dysarthria.
Asthma is a chronic condition which causes issues towards the unavailability towards breathing. The condition of hypersensitive causes inflammation and narrowing of the airways system within the respiratory system the air ways from the result of asthma causes periods of wheezing during breathing as well as tightness and the shortness of breath as well as coughing. The respiratory system provides towards the main functioning towards the lungs within individuals who have asthma the airways of the bronchioles that carry air in and out of the lungs are restricted sue to inflammation and the narrowing of the airway path which also causes production of excessive mucous this causes the tightness experienced causing breathing difficulties. An individual who suffers from asthma can experience an asthma attack caused by triggers of irritants towards the air way of the respiratory system such as allergies, chemicals, dust, smoking an asthma attack is an occurrence of worsening of symptoms causing difficulties of further breathing the lining of the airway system is thickened due to swelling of exceeded inflaming and produces of mucous the tightening of muscles around the airway system the causes a bronchospasm which constricts muscles within the walls of the bronchioles which causes the difficulties towards breathing. During an asthma attack the developed mucous within the airways cause a limiting of air access towards the airway and the lungs the effect of this cause individuals to feel a choking sensation as well as the sputum and mucus causes restrictions to constrict airways which increase asthma attacks severity. Due to the over reactions of stimuli of irritants of allergens causing the lining of the air way to build up of fluids which cause more constrictions to the airways. When over exposure towards stimulants called stimuli from allergens as well as being developed by viral infections which can promote an asthma attack. An Asthma occurs within two stages the first stages consists of mucous surrounding the airways causing mass cells to be released as the second stages begin to proceed by large quantity of cells are released and inflammation which builds up in the airways which constrict the surrounding muscles which cause fluids to develop within the lining of the bronchiole as well as further worsening of inflammation which can cause chronic and cause irreparable damage to the airways. Damage towards the lungs from asthma can be developed by A pneumothorax from asthmas symptoms. A pneumothorax is when the lungs collapse due to a tear in the lungs causing air to escape into the chest cavity this causes of a collapse lung can be due to an abnormal collection of air resources within the lungs and chest walls within asthma stimulants of allergens can be of impact. A collapsed lung can cause impairments towards breathing and ventilation due to the effects of impacts of asthma towards the respiratory system which can cause the lungs difficulties within exchanging air within the airways and circulating oxygen within the body towards cells and tissue which can cells functions to become strained.
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