Systems of the Body

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Across
  1. 3. Having a balanced diet help which system?
  2. 5. This system turns food into energy
  3. 8. System that produces blood cells
  4. 10. A way to keep systems of the body functioning well
  5. 11. Blood vessels that carry blood towards the heart
  6. 12. Heart attack is a sign of problems for this system
  7. 13. Digestive system begins here
Down
  1. 1. Most important organ in nervous system
  2. 2. Drinking this fluid helps all systems of the body
  3. 4. Hollow tube through the body
  4. 6. System that commands the body
  5. 7. It is a muscular organ that provides blood circulation
  6. 9. System that helps inhale oxygen