Roger and M'Kenna's Structures

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Across
  1. 2. ______ intestine that absorbs most nutrients
  2. 3. the building blocks of the body
  3. 4. the _______ pumps blood
  4. 6. system that brings air into body
  5. 9. controls what moves in and out of the cell
  6. 10. a group of cells working together
  7. 13. tissue that carries nutrients
  8. 16. major source of energy in the body
  9. 18. hold air in our body
  10. 20. the boss of the cell
  11. 21. breaks down food with acid
  12. 22. system that carries nutrients
  13. 23. an organ that provides structure
  14. 24. system that sends messages
Down
  1. 1. moves food to stomach
  2. 5. send messages in the body
  3. 7. a simple sugar
  4. 8. the basic unit of structure and function
  5. 9. the smallest blood vessels
  6. 11. system that breaks down and absorbs nutrients
  7. 12. two words, sends messages between brain and body
  8. 14. system that allows movement
  9. 15. another word for wind pipe
  10. 17. where gas exchange occurs
  11. 19. ______ intestine that absorbs water