Circulatory System

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Across
  1. 4. upper chamber on right side of heart
  2. 5. group of cells working together to perform function
  3. 10. tissue sends electric messages
  4. 11. comes from food we eat
  5. 13. liquid cells are filled with
  6. 16. system of blood vessels in the heart
Down
  1. 1. Upper chamber on left side of heart
  2. 2. comes from air we breathe
  3. 3. smallest blood vessels
  4. 6. connects to circulatory system to get oxygen
  5. 7. tissue contracts to produce movement
  6. 8. carries food and gasses to cells
  7. 9. human body is made of many different kinds
  8. 12. blood flows away from heart in vessels called
  9. 14. tissue that gives bodies structure
  10. 15. blood flows back to the heart in vessels called