CHP 26 The Heart Crossword puzzle by Group D by Carly Mercure, Tazia Miah, and Nicholas Operti

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Across
  1. 2. Extending from each side of the nodule is aa narrow thin lip termed the _____
  2. 7. Referred to as the bundle of His
  3. 8. The heart is described as having how many surfaces?
  4. 10. Valve that guards the opening of the aorta
  5. 12. From the crista terminalis these are muscular, ridge-like extensions
  6. 13. The heart has four internal cavities called _______
  7. 15. Partition between the right atrium and the left atrium
  8. 18. Arises from the left aortic sinus
  9. 21. The cardiac muscle itself is referred to as ______
  10. 22. Receives the impulse coursing through the wall of the atria, holds it for a short time, and then sends the impulse to the AV bundle
  11. 23. Courses with the marginal artery and ends in the coronary sinus
  12. 26. Spaces between the cusps and the wall of the vessels
  13. 32. Blood flows from the left atrium into the left ventricle through the _____.
  14. 33. Short, wide vessel that receives all three cardiac veins
  15. 35. ______ is a fibroserous sac that encloses the heart
  16. 36. An atrioventricular valve is characteristically composed of three parts: _____, chordae tendineae, and papillary muscle.
Down
  1. 1. The inner epithelial lining of the chambers of the heart is referred to as endocardium.
  2. 3. Cord-like band connecting the pulmonary trunk and the aortic notch
  3. 4. Referred to as the pacemaker
  4. 5. The outer layer of the pericardium blends with the diaphragm _____
  5. 6. Blood leaves the left ventricle, enters the ____, and passes to all parts of the body
  6. 9. Ear like appendages attached to the lateral surface of the atria
  7. 11. Vertical muscular ridge seen on the posterior wall of the posterior wall of the right atrium
  8. 14. ________ protects the heart anteriorly
  9. 16. Blood when passing from the atria to the ventricles, moves ______
  10. 17. Internal surface of the ventricle consists of irregular, ridge-like projections of muscle
  11. 19. One major difference between the right ventricle and the left ventricle is the _____ of the wall
  12. 20. Connective tissue cords that attach to the lower surface of the cusps
  13. 24. A rounded projection of the heart, points inferiorly and to the left
  14. 25. Numerous small veins that drain the myocardium itself and empty separately into all four chambers.
  15. 27. Free edge of each cusp has a small central thickening of fibrous tissue
  16. 28. The aorta, pulmonary trunk, and superior vena cava attach here on the heart.
  17. 29. Oxygenated blood returns to the heart via four _____.
  18. 30. Veins draining the heart
  19. 31. Arises from the right aortic sinus and emerges between the pulmonary trunk and right auricle
  20. 34. The heart is positioned in such a way that the atria lie _____ to the ventricles