Human Body Systems Crossword

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Across
  1. 1. Dome shaped muscle under the lungs that helps us breathe.
  2. 4. What gland produces insulin?
  3. 6. What system provides support to the muscular system?
  4. 8. System that brings in oxygen and expels carbon dioxide.
  5. 10. What organ produces urine and filters blood?
  6. 12. Protects body from external damage.
  7. 14. What system controls actions.
Down
  1. 2. What organ pumps blood through the human body?
  2. 3. System that breaks down food.
  3. 5. System that transports blood around the body.
  4. 7. What system controls hormones?
  5. 9. Another name for the urinary system.
  6. 11. How many major body systems are there?
  7. 13. What connects the throat to the stomach?
  8. 15. What is the largest organ in the human body?