Unit 5 Vocabulary crossword

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Across
  1. 3. Organ that pumps blood.
  2. 4. Body’s outside covering.
  3. 7. One thousand years.
  4. 10. All the bones in the body.
  5. 12. Tissue that moves bones.
  6. 13. Ten years.
  7. 14. Main blood vessel that carries blood away from the heart.
Down
  1. 1. Organ that digests food.
  2. 2. Organ that controls thought.
  3. 5. Organs that clean the blood.
  4. 6. Tiny tubes that carry blood back to the heart.
  5. 8. Organs used for breathing.
  6. 9. One hundred years.
  7. 11. Extra day every four years.