Human Body Systems

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Across
  1. 4. main organ of the respiratory system
  2. 5. main organ of the circulatory system
  3. 10. main part of the skeletal system
  4. 14. provides shape and support of the body; protects internal organs; produces blood cells
  5. 15. conectar
  6. 16. a group of organs that work together to do the same job
  7. 18. carries necessary materials to cells and waste materials away from cells
  8. 19. moves oxygen into the body and carbon dioxide out of the body
  9. 20. collects and removes waste from the body
Down
  1. 1. helps move bones; helps digest food; helps remove waste; helps pump blood
  2. 2. the smallest unit of life
  3. 3. breaks down food into molecules bodies can use
  4. 6. main organ of the muscular system
  5. 7. main organ of the digestive system
  6. 8. receives and responds to information
  7. 9. one of the main parts of the nervous system
  8. 11. a connected group of cells that has the same job
  9. 12. one of the main organs of the nervous system
  10. 13. two or more types of tissues connected that do the same job
  11. 17. apoyar; suportar