Module 8

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Across
  1. 1. the middle and thickest layer of the heart
  2. 5. myocardium contracting
  3. 6. a measure of the amount of pressure flowing blood exerts on arterial walls
  4. 8. the number of times the ventricle contracts or beats in 1 minute
  5. 10. carry blood toward the heart
  6. 12. responsible for the movement of blood and everything it carries throughout the body
  7. 14. smallest branches of the arterial tree
Down
  1. 2. carry blood away from the heart
  2. 3. valves located between the atria and the ventricles
  3. 4. collagen fiber cords that are attached to the edge of each cusp and to papillary muscles
  4. 7. the outermost layer of the heart wall
  5. 9. brings deoxygenated blood from the systemic circulation
  6. 11. the innermost layer of the heart wall
  7. 13. myocardium relaxing