Heart is the largest organ in our system which performs the function of pumping blood throughout the system's circulatory system. The circulatory system is a network of different tubes in the form of arteries, veins and capillaries. There are two main organs that form element of the circulatory system - the lungs and heart. There is network of arteries and capillaries that carry oxygen-rich blood from the heart and lungs to all system elements and there is a network of veins and capillaries whose function is to transport oxygen-poor blood from from all elements of the system to heart and lungs.
Heart complaint does not happen suddenly. The arteries that supply blood to the heart and brain can be blocked by reason of the development of fat cells around the tubes that restrict blood flow. The accumulation of these fat cells are nothing other than cholesterol. By reason of deficient blood supply to heart and then to the brain, blood clots happen and cause a stroke.
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