Formation Of Myocardial Infraction Paper
Formation Of Myocardial Infraction Paper
The paper presents the basic anatomy of the human circulatory system, or the cardiovascular system, in a holistic context. It attempts to describe the three major components of the system including the heart, blood vessels and the blood itself. The paper briefly explains the anatomy of the heart. It then moves on to describing the concept of blood circulation explaining as to how blood flows including the roles of the chambers and the conducting system of AS node and AV node. The paper then presents some valuable facts about the components that make the blood. It also explains the state of myocardial infarction mentioning the choronological step by step formation of the myocardial infarction in detailed.Formation Of Myocardial Infraction Paper
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Discussion
Cardiovascular System
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The cardiovascular system, also know as the circulatory system, comprises of the heart and two of the major blood vessels including the pulmonary vessels, and the systematic system. The pulmonary circulation comprises of blood vessels that take oxygenated blood from lungs to the heart and deoxygenated blood from heart to the lungs (Houghton, 2007). The systematic circulation takes oxygenated blood from heart to the body and brings back deoxygenated blood from the body to heart so that it is pimped through the pulmonary circulation to be oxygenated by the lungs. The components of the cardiovascular system are further detailed in the headings to come (Barraclough, 2011).Formation Of Myocardial Infraction Paper
Heart Anatomy
The heart is the central organ of the cardiovascular system. It is defined by anatomists as a hollow muscle, which plays the major role of the pumping the blood throughout the body. The heart is composed of very different muscles in comparison to the muscle fibres that make up the voluntary muscles, which aid in locomotion (Houghton, 2007). Heart muscles are very different and composed of various fibres that are joined forming a mesh. This makes the heart capable of pumping the blood without tiring unlike the other muscles that fatigue after constant contractions (Aaronson & Ward, 2007).
The heart is divided into two halves, the heart right, in which venous blood circulates, and the left heart, in which arterial blood circulates. The size of the heart is similar to the closed fist of the person. Its weight is one of about 5 grams per kilogram of body weight, which makes up about 250 to 350g. Coronary arteries supply oxygen and nutrients to the heart in order to keep it functioning (Barraclough, 2011).Formation Of Myocardial Infraction Paper
Blood Circulation
The heart pumps blood to the right of a small (pulmonary) circulation, left to the great, but both halves are contracting simultaneously and continuously pushing the same amount of blood. Each of the atria switches to an appropriate larger chamber called the ventricles. The blood from the ventricles of the heart is pumped to the aorta (largest artery of man) and the pulmonary trunk (Aaronson & Ward, 2007).
The left ventricle is slightly larger and is thickly lined due to the fact that it has to pump the blood to the entire body at high pressures.Formation Of Myocardial Infraction Paper