lesson 10 - the heart

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Across
  1. 2. this is the word used for heart relaxation
  2. 8. this describes muscle where we can see the fiber lines
  3. 9. these blood vessels carry blood to the heart
  4. 11. this is also known as the bicuspid valve
  5. 12. the heart sounds are due to the ? of the valves
Down
  1. 1. the tricuspid valve is found on the ? side of the heart
  2. 3. the right ventricle sends blood to the ?
  3. 4. the two upper chambers of the heart are known as ?
  4. 5. the second heart sound is from the closure of the pulmonary and ? valves
  5. 6. this structure separates the right and left ventricles
  6. 7. this is when the upper chambers of the heart quiver rather than beat
  7. 10. the left ventricle sends blood into ? circulation