Heart diagram Crossword Puzzle

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Across
  1. 3. Wall that separates the left and right sides of the heart
  2. 4. Upper area of the heart
  3. 6. Has to do with the heart
  4. 10. Artificial device that controls heart rhythm
  5. 11. Tiny blood vessels where oxygen and nutrients are passed
  6. 12. Blood vessel that carries blood away from the heart
Down
  1. 1. Lower area of the heart
  2. 2. Large vein that brings blood back to the heart
  3. 5. Tissue that makes you move
  4. 7. Largest artery in the body
  5. 8. Blood vessel that carries blood toward the heart
  6. 9. A part of the heart that stops blood from flowing backward