Heart crossword

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Across
  1. 1. opens and closes to control the flow of blood around the heart
  2. 5. seperates the right and left side of the heart
  3. 7. carries blood towards the heart
  4. 8. contracts the heart to build up pressure
  5. 9. delivers nutrients from the blood to the body
  6. 11. carries blood away from the heart
Down
  1. 2. builds up pressure to send blood to ventricles
  2. 3. sets the heart rate and rythm for the heart
  3. 4. builds up pressure to send blood to lungs/ body
  4. 6. veins that deliver oxygen poor blood to the heart
  5. 10. main artery that carries blood all around the bod