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

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