From the time of origin of life on earth has chaged many ways. The earth has also changed from the time of its origin. Both lives on earth itself are dynamic.
Different geolgical phenomena such as volcanic erruptions, tectonic movement etc., have changed the configurations of continents. These changed environment of the continents have affected the lives on the earth.
The Earth is 4.8 billion years old, while the origin of life on the earth is 3.5 billion years old. Gradually these changes have given the chaces of variations, from which the suitable organisms are selected on the earth.
The circulatory system is composed of well designed number of veins and arteries,as there are different level of mechanisms that each of the pathway follows in order to provide the sufficient amount of materials and products to the different cells and tissues.
While,there are a number of disorders which the circulatory system and more over the pumping organ which is also termed as heart may face during the process of providing the optimum amount of materials for there survival and better functions.
While, the myocardial infraction occurs when there is a slight decrease in the over all supply of the blood and nutrients to any part of the heart, which brings about great distress to the individual. As, due to an obstruction or deposition of the bad lipids or high level of cholesterol inside the blood medium the myocardial infraction occurs.