Systems

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Across
  1. 2. system that removes liquid waste
  2. 5. smallest unit of living matter
  3. 6. system made up of bones
  4. 7. main organ of the excretory system
  5. 12. tissues working together
  6. 14. system that brings oxygen to the body
  7. 15. main organ of the nervous system
  8. 16. organ that filters waste from blood
Down
  1. 1. main organ of the circulatory system
  2. 3. allows the body to move
  3. 4. cells working together
  4. 5. system that moves blood around the body
  5. 8. system that breaks down food
  6. 9. main organ of the human respiratory system
  7. 10. living thing that carries out the 5 basic life functions
  8. 11. system that is the master controller of the body
  9. 13. mechanism that grinds food for a bird.