Module 2 science words crossword

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Across
  1. 4. where two or more bones meet
  2. 6. muscle found only in the heart
  3. 7. a vessel that carries blood away from the heart
  4. 8. the main organs of the respiratory system
Down
  1. 1. the low two chambers of the heart
  2. 2. a vessel that carries blood toward the heart
  3. 3. the upper two chambers of the heart
  4. 5. the tissue that connects bones to other bones