Organ Systems Audrey Hall

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Across
  1. 4. fast-acting control system
  2. 7. main organ used in the respiratory system
  3. 8. this is removed in the respiratory system
  4. 10. transports materials in body
  5. 12. forms the external body covering
  6. 15. system that breaks down food
Down
  1. 1. allows locomotion
  2. 2. production of offspring
  3. 3. organ that works with bladder and ureters in the urinary system
  4. 5. muscular system does this when the body is too cold
  5. 6. this is eliminated in the urinary system
  6. 9. returns fluids to blood vessels
  7. 11. main organ of the endocrine system
  8. 13. secretes regulatory hormones
  9. 14. organ that sends the messages in nervous system