Cardiovascular System

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Across
  1. 3. Caused by pooling of blood in the veins
  2. 5. the innermost wall layer
  3. 6. The pacemaker of the heart
  4. 8. The valve that has two cusps
  5. 12. the number of blood chambers
  6. 13. Receives oxygen rich blood from an atrium
  7. 15. the general color on diagrams of deoxygenated blood
  8. 17. Receives oxygen rich blood from lungs
  9. 18. The condition when blood flows back in the heart
  10. 23. cord-like tendons that connect the papillary muscles to the tricuspid valve and bicuspid valve
  11. 25. Receives oxygen poor blood from an atrium
  12. 26. The strongest artery in the body
  13. 28. The valve that is inferior to the pulmonary trunk
Down
  1. 1. The oxygenated side of circulation
  2. 2. the contracting wall layer of the heart
  3. 4. Electrical current travels along the sides of the heart by the way of these structures
  4. 6. The blood vessel that sends blood from the head and neck to the right atrium
  5. 7. Heart chambers that constricts and sends blood throughout the body
  6. 9. Blood vessels that provides the heart with oxygenated blood
  7. 10. the membrane that tightly covers the external surface of the heart
  8. 11. The valve that is between the right atrium and right ventricle
  9. 14. The smallest blood vessels that transport gases
  10. 16. Heart chambers that receive blood
  11. 19. the rounded muscular projections attached to the chordae tendineae in the ventricles of the heart
  12. 20. a double sac of serous membranes
  13. 21. Receives oxygen poor blood from the vena cavae
  14. 22. A dividing wall between ventricles
  15. 24. the pointed end of the heart
  16. 27. the general color on diagrams of oxygenated blood