Cardiovascular Terms

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Across
  1. 1. blood vessel flowing toward the heart
  2. 2. membranous sheath
  3. 4. outermost wall of blood vessel
  4. 7. inside width of a vessel
  5. 10. shaped like a crescent
  6. 11. epithelial cell lining of vessel
  7. 14. blood vessel flowing away from heart
  8. 15. muscular layer of the heart
  9. 16. network of blood vessels interacting with cells
  10. 18. pointed bottom of the heart
Down
  1. 1. prevent retrograde flow of blood
  2. 2. having 3 valves
  3. 3. branch of medicine that studies vascular structures
  4. 5. lower chambers of the heart
  5. 6. innermost lining
  6. 8. partition separating right and left sides of heart
  7. 9. low in amount of oxygen
  8. 12. main artery in body carrying oxygenated blood
  9. 13. mitral valve
  10. 15. muscle layer of vessel
  11. 17. upper chambers of the heart