Gross anatomy of the heart
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6 Terms
Epicardium
the outer layer of the wall of the heart, and is formed by the visceral layer of the serous pericardium
Myocardium
the muscular middle layer of the wall of the heart and has excitable tissue and the conducting system
Endocardium
the innermost layer of the heart, covers the hearts chambers, composed of blood vessels which provides a slick surface for easy blood flow and preventing clots
structure of the heart
the heart is subdivided by septa into left and right and a constriction subdivides each half of the organ into two cavities therefore the heart consists of 4 chambers
Heart chambers
right atrium
left atrium
right ventricle
left ventricle
Blood flow through the heart
right atrium
tricuspid valve
right ventricle
pulmonic valve
pulmonary arteries
pulmonic veins
left atrium
mitral valve
left ventricle
aortic valve
aorta
Note 
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