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Structure from which chordae tendinae originate
Prevents blood movement from right ventricle to right atrium
Membranes around the heart
Prevents blood movement from the left ventricle to left atrium
Gives rise to left and right pulmonary arteries
Drains blood from myocardium into the right atrium
Inner lining of heart chamber
Layer largely composed of cardiac muscle tissue
Space containing serous fluid to reduce friction during heartbeats
Drains blood from myocardial capillaries
Supplies blood to heart muscle
Distributes blood to body organs except the lungs