Circulatory Crossword

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Across
  1. 4. Strongest muscle in the body
  2. 6. non-oxygenated blood cells
  3. 8. Parts of the heart that divide into sections
  4. 9. Carry blood away from the heart
Down
  1. 1. Carries oxygen
  2. 2. Fights off infections
  3. 3. Prevents blood from backing up
  4. 5. Biggest blood vessel in the body
  5. 6. Yellow things inside the blood
  6. 7. Carry blood towards the heart