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The Heart


Surperior Vena Cava returns blood to the right artium of the upper body
Right Atrium first chamber- returns blood to the heart from the body
Tricuspid valve Prevents blood from flowing back into the right artium when right ventricule contracts
Right anterior papillary muscle When this muscle contracts the tricuspid will close and prevent valve from prolapsing into the atrium
Right ventricle recieves blood from right atrium then pumps the blood to the lungs via pulmonary artery
Interventicular sptum- muscle wall seperates left and right ventricles
chordae Tendineae connect valves to papillary muscle
Left Ventricle recieves blood from left atrium and pumps blood to entire body. You fell this ventricle when it contracts.
Moderator Band carries electerical impulses throught the heart
aortic valve prevents blood from returning to the heart as left ventricle contracts. (Semilunar valve)
Left Artium Recieves oxygenated blood from lungs via pulmonary veins. It then pumps blood to left ventrical via miartrial valve.
Pulmonary Veins carrys oxygenated blood from the lungs to the heart (left atrium) Only veins that carry oxygenated blood.
Ascending Aorta Caries blood to the body as left ventricle contracts.
epiardium reduces friction, outer layer of the heart.
Myocardium muscle layer of the heart,middle
endocardium epithael lining of the heart, is continous with the blood vessels.
Created by: amterry
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