3A Heart(Group 8 | Andre Padilla, Claire Olds, Alexia Pickard)

Edit Answers
123456789101112131415161718192021222324
Across
  1. 3. this is an oval depression found on the interatrial septum
  2. 4. the most muscular chamber of the heart
  3. 8. this is the origin for both the left common carotid artery and the left subclavian artery
  4. 9. this is the vessel in which widowmaker heart attacks occur
  5. 14. ear-like appendages attached to the lateral surfaces of the atria
  6. 15. a rounded projection of the heart that points inferiorly and to the left
  7. 17. another name for the right atrioventricular valve
  8. 18. this structure protects the heart anteriorly
  9. 21. this blood vessel drains blood from the head, neck and upper limbs into the right atrium
  10. 23. muscular ridge-like extensions that come from the crista terminalis
  11. 24. the inner most layer of the heart
Down
  1. 1. this chamber contains the crista terminalis
  2. 2. irregular ridge-like projections of muscle on the inner surface of the ventricles
  3. 5. drains blood from the lower half of the body, into the right atrium
  4. 6. connective tissue that attaches to the lower surface of the cusps
  5. 7. this is another name for the bicuspid valve(left AV valve)
  6. 10. drains blood from the muscle of the heart
  7. 11. these chambers lie posterior to the ventricles
  8. 12. these blood vessels are responsible for returning oxygenated blood back to the left atrium
  9. 13. this is a wall that seperates the atria
  10. 16. these chambers are responsible for pumping blood out of the heart
  11. 19. the thickest layer of the heart
  12. 20. give a point of attachment for the chordae tendineae
  13. 22. the tough sac that surrounds the heart