Human Body Systems Crossword

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Across
  1. 4. the system that gets rid of our excess waste
  2. 5. the main organ of the excretory system
  3. 6. one of the main organ of the digestive system
  4. 7. the main organ of the skeletal system
  5. 11. the system that moves the oxygen and nutrient throughout the body
  6. 13. a blood vessel that takes blood out of our heart
  7. 14. a blood vessel that helps with the exchange of oxygen, nutrients and waste.
Down
  1. 1. the organ that breaks down most food with acid.
  2. 2. one of the main organ of the nervous system
  3. 3. the main organ of the respiratory system
  4. 6. the system that makes up our structure
  5. 8. a blood vessel that brings blood into our heart.
  6. 9. the main organ of the circulatory system
  7. 10. the main organ of the muscular system
  8. 12. one of the main organ of the nervous system and controls the actions of our body.