Parts of the Heart

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Across
  1. 1. A small, implanted device that regulates your heart's rhythm
  2. 4. These are the upper chambers of the heart that blood flows into from outside of the heart
  3. 6. A blood vessel that carries blood to the heart
  4. 8. Muscular wall that separates the heart into the left and right sides
  5. 9. This is your main vein, it brings oxygen-deleted blood back to the heart
  6. 11. Lower chambers of the heart, pump blood away from heart
Down
  1. 2. A blood vessel that carries blood away from the heart
  2. 3. This lines the walls of the heart and pumps the blood through it
  3. 5. Small blood vessels throughout the body that supply oxygen and nutrients to the cells
  4. 7. Little doors separating the different chambers of the heart that prevent the blood from gong backwards
  5. 10. A big artery that connects the heart to the rest of the circular system