Heart structure

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Across
  1. 1. term that means the circulation to the body
  2. 3. divides the left and right side of the heart
  3. 4. vein blood vessel that returns oxygenated blood from the lungs to the left side of the heart
  4. 5. vessel that brings blood from the body back to the heart
  5. 7. this valve will close when the pressure in the ventricle is greater than the atrium
  6. 10. chamber that generates greatest pressure
Down
  1. 1. structures that ensure blood flows from the heart to blood vessels taking blood away from the heart
  2. 2. chambers that contract and pump blood into the ventricles
  3. 6. artery supplies cardiac muscle with oxygenated blood and nutrients
  4. 7. blood vessel that takes blood at high pressure away from the heart
  5. 8. chamber that pumps blood to the lungs
  6. 9. thickest muscle wall