Heart Choice Board Crossword

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Across
  1. 1. Prevents heart from beating to slowly.
  2. 4. Two chambers responsable for collecting blood and pushing it to the next.
  3. 6. Tubes that help with the process of blood circulation to the heart.
  4. 8. Wall separating the left and right sides of the heart.
  5. 9. Large vein carrying non-oxygenated blood into the heart.
  6. 11. Main two lower chambers of the heart.
Down
  1. 2. Any muscular wall tubes to help with blood flow from the heart to around the body.
  2. 3. Responsible for the contraction (beating) motion in the heart.
  3. 5. Any of the fine blood vessels forming a network structure.
  4. 7. Blood passes through here before exiting the heart.
  5. 10. Main artery, supplying oxygenated blood to the circulatory system.