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TrussingDoor

TrussingDoor

10/30/2013 2:24:07 AM
[quote]Cardiac muscle (heart muscle) is a type of involuntary striated muscle found in the walls and histological foundation of the heart, specifically the myocardium. Cardiac muscle is one of three major types of muscle, the others being skeletal and smooth muscle. These three types of muscle all form in a process known as myogenesis. The cells that constitute cardiac muscle, called cardiomyocytes or myocardiocytes, contain only one, unique nucleus.[1][2] Coordinated contractions of cardiac muscle cells in the heart propel blood out of the atria and ventricles to the blood vessels of the left/body/systemic and right/lungs/pulmonary circulatory systems. This complex of actions makes up the systole of the heart. Cardiac muscle cells, like all tissues in the body, rely on an ample blood supply to deliver oxygen and nutrients and to remove waste products such as carbon dioxide. The coronary arteries fulfill this function. JOHN CENA JOHN CENA JOHN CENA JOHN CENA.[/quote] Okay, please [i][b]NOBODY[/b][/i] edit this page. Seriously. Don't. That's wrong,

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