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

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