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Q&A Heart
lecture
| Question | Answer |
|---|---|
| the heart's recieving chamber | atria |
| heart's main pumping chambers | ventricles |
| internal partition between ventricles | interventricular septum |
| external groove beween R& L ventricles | interventricular sulcus |
| specific valve blood passes through to exit the left ventricle | aortic semilunar valve |
| valve between R atrium & R ventricle | tricuspid valve |
| string like structures attached to edges of atrioventricular valves | chordae tendinaea |
| attach to chordae & extend from the lining of ventricles | papillary muscles |
| ear-like appendages of atria | auricles |
| large artery emerging from the right ventricle | pulmonary trunk |
| L & R branches of pulmonary trunk | pulmonary arteries |
| large veins transporting blood into R atrium | superior & inferior vena cava |
| large artery transporting blood out of L ventricle | aorta |
| vessels that carry oxygenated blood from lungs to L atrium | pulmonary veins |
| outer-most pericardium | fibrous pericardium |
| 2 pericardium against heart | visceral pericardium & epicardium |
| irregular strips of myocardium in the walls of the ventricles | tribeculae carnae |
| prominent muscular ridges in the walls of the atrial auricles | pectna |