Body Systems

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Across
  1. 3. when breathing in what do your lungs do
  2. 5. wall between the atria
  3. 7. carries blood to other parts of the body and back
  4. 10. connects brain with nerves
  5. 16. connects bones and muscles together
  6. 17. short loop to heart and lungs then back again
  7. 18. smallest bone
  8. 19. marrow what’s the center of the bone called
  9. 20. muscle helps move shoulders
Down
  1. 1. what is not good for your lungs
  2. 2. what gets messages related to touch, taste, and touch
  3. 4. some of the biggest/most powerful muscles
  4. 6. what part does complex thinking like planning
  5. 8. wall between two ventricles
  6. 9. muscle pumps blood to body
  7. 11. what coordinates movement and balance
  8. 12. Breathing in oxygen breathing out carbon dioxide
  9. 13. when you breathe in oxygen what do you breathe out
  10. 14. what are the bones in the spine
  11. 15. where do the bones meet