Review & Practice Sheet Exercise 35 3. Label the internal anatomy of the sheep heart. 2. 3. 4. 5. 6. 10 7. 8. 11 9. 10. 12 11. 12. B. Matching Match each heart structure listed on the left with its correct description on the right. 1. tricuspid valve A. empties into left atrium B. left AV valve 2. superior vena cava 3. right ventricle 4. aorta 5. interventricular septum C. muscle folds of ventricles D. pumps blood to body tissues E. branch off left coronary artery F. major systemic artery G. muscular ridges of right atrium H. artery carrying deoxygenated blood I. groove between atria and ventricles J. visceral pericardium 6. left ventricle 7. pulmonary veins 8. semilunar valve 9. bicuspid valve 10. pulmonary trunk K. drains coronary veins into right atrium L wall between ventricles 11. circumflex artery 12. trabeculae carneae 13. pectinate muscle M. inferior tip of heart 14. coronary sulcus N. cardiac muscle tissue O. aortic or pulmonary valve P. empties into right atrium Q. attached to AV valves R. right AV valve S. pumps blood to lungs T. external flap of atrium 15. auricle 16. coronary sinus 17. myocardium 18. epicardium 19. chordae tendineae 20. apex

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