Organ System Crossword

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Across
  1. 3. system that activates muscles and glands
  2. 5. system that returns fluid to blood vessels
  3. 6. system that makes babies
  4. 8. system that keeps blood supplied with oxygen and carbon dioxide
  5. 10. largest organ in your body
  6. 11. system that forms the external body covering
  7. 14. system that site of blood cell formation
  8. 15. system that maintains acid-base balance
Down
  1. 1. Organ that stores waste for later expulsion through the urethra in the urinary system
  2. 2. system that maintains posture
  3. 4. system that transports materials in body via blood pumped by the heart
  4. 7. system that secretes regulatory hormones
  5. 9. system that breaks down food
  6. 12. Organ that is the pathway from the mouth to the stomach in the digestive system
  7. 13. Organ that pumps blood through out your body