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3520 chpt 5 key word

3520 cpt 5 key word

QuestionAnswer
heart is a hollow, muscular organ located between the lungs
epicardium the external layer of the heart and the inner layer of the pericardium
myocardium the middle and thickest of the hearts's three layers and consists of specialized cardiac muscle tissue (myocardial muscle)
endocardium which consists of epithelial tissue, is the inner lining of the heart
atria are the two upper chambers of the heart, they are the recieving chambers, and all blood vessels coming into the heart enter here
interatrial septum separate the atria
septum wall that separates two chambers
ventricles are the two lower chambers of the heart, they are the pumping chambers, and all blood essels leaving the heart emerge from the ventricles
ventricle a normal hollow chamber of the heart or the brain
interventricular septum separates the ventricles of the heart
ventrical the walls are thicker than those of the atria because they must pump blood throughout the body
tricuspid valve controls the opening between the right atrium and the right ventricle
pulmonary semilunar valve located between the right ventricle and the pulmonary artery
mitral valve known as the bicupid valve, located between the left atrium and left ventricle
aortic semilunar valve located between the left ventricle and the aorta
right ventricle pumps the oxygen-poor blood through the pulmonary semilunar valve and into the pulmonary artery, which carries it to the lungs
left ventricle receives oxygen-rich blood from the left atrium, blood flows out of the lv through the aortic semilunar valve and into the aorta, which carries it to all parts of the body, except the lungs
pulmonary arteries carry deoxygenated blood out of the right ventricle and into the lungs
pulmonary veins carry the oxygenated blood from the lungs into the left atrium of the heart
systemic circulation flow of blood to all parts of the body except the lungs
left ventricle oxygenated blood flows out of and into arterial circulation
right atrium veins carry deoxgented blood
electrical impulses rate and regularity of the heart beat is determined by, from nerves that stimulate the myocarium of the chambers of the heart
conduction system electrical impulses are controlled by the sinoatrial (SA) node
sinoatrial node located in the posterior wall of the right atrium near the entrance of the superior vena cava
Created by: SSchabow
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