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Matching WorksheetName:__________________
Match the words in the first column to the best available answer in the second column.


_____ aorta 1) valve found on the right side of the heart
_____ vena cava 2) wall in the heart between right and left sides
_____ mediastinum 3) muscle of the heart
_____ pericardium 4)largest artery in the body
_____ endocardium 5) supply the heart with blood
_____ atrium 6) the part of the brain that controls heartbeat
_____ ventricle 7) largest vein in the body
_____ tricuspid valve 8) lining of the inside of the heart
_____ mitral valve 9) sometimes called the pacemaker of the heart
_____ myocardium 10) contraction of the heart
_____ coronary vessels 11) relaxation of the heart
_____ sinoatrial node 12) the amount of blood pumped by the heart in one minute
_____ cardiac output 13) valve with two flaps found on left side of heart
_____ stroke volume 14) upper chamber of the heart
_____ medulla 15) lower chamber of the heart
_____ systole 16) area in the thoracic cavity where the heart is located
_____ diastole 17) sac surrounding the heart
_____ septum 18) the amount of blood pumped by a ventricle per beat