Human Systems Crossword

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Across
  1. 3. Sends neurons to the brain
  2. 7. This organ is the main organ of the Respiratory System
  3. 10. This is actually where the Digestive System actually began
  4. 11. This muscle is attached to the bones
  5. 13. This system sends gases to and away from the heart
  6. 14. Sends blood to the heart
  7. 15. This system collects energy and nutrients for the cells
  8. 17. This muscle lives in the wall of the hollow organ
  9. 19. This organ is the last place the food hits before leaving the Body
  10. 20. This is the first stop of the Respiratory System
Down
  1. 1. Prevents bones from rubbing together
  2. 2. This system sends blood all over the body
  3. 4. This system supports and protects the body
  4. 5. This system generates heat for the body
  5. 6. The different types of them are ball and socket,pivot and hinge
  6. 8. This muscle is made up by the heart
  7. 9. This system is the powerhouse of the body
  8. 12. This organ is the most important organ in the Nervous System
  9. 16. This organ is where the food goes before it hits the stomach
  10. 18. Sends blood away from the heart