Heart crossword

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Across
  1. 2. collects blood from the body
  2. 4. pumps blood carrying lots of oxygen to the body
  3. 6. The top vein where the blood enters the heart
  4. 7. collects blood from the lungs and pumps it to the left ventricle
Down
  1. 1. the smallest bloody vessel in the body
  2. 2. pumps to the lungs
  3. 3. the bottom vein where the blood enters the heart
  4. 5. carbon dioxide passes passes out of the lungs and it breathed out
  5. 8. the top upper chambers