Cardiovascular System

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