Body Systems Crossword Trivia

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Across
  1. 3. structure hanging at the back of the throat
  2. 4. the only bone not connected to another bone
  3. 6. part of the brain responsible for balance
  4. 8. the type of muscle in your heart
  5. 9. the body maintaining internal balance
  6. 11. connects that connects the mouth and stomach
  7. 13. organ that filters the blood
  8. 14. carry deoxygenated blood toward your heart
  9. 16. loops, whirls, and arches can describe this structure
  10. 19. there are 100 billion neurons in this organ
  11. 20. name for fingers and toes
Down
  1. 1. cells responsible for clotting
  2. 2. the main function of red blood cells is to transport this gas
  3. 5. spasm of this organ causes the hiccups
  4. 7. organs that contain rods and cones
  5. 10. largest organ in the human body
  6. 12. smallest bone in the body
  7. 15. babies are born without these bones
  8. 17. connects muscles to bones
  9. 18. cause the lub-dub sound your heart makes