Across
- 3. the smallest unit of life
- 4. receives and responds to information
- 8. a connected group of cells that do one job
- 9. main organ of the digestive system
- 13. one of the main organs of the nervous system
- 16. brings oxygen in and carbon dioxide out
- 18. provides structure,protects organs, makes blood cells
Down
- 1. two or more organs that work together
- 2. main organ of the respiratory system
- 3. carries materials to and away from cells
- 5. apoyar/suportar
- 6. main organ of the muscular system
- 7. conectar
- 10. main organ of the skeletal system
- 11. breaks down food into nutrients
- 12. two or more tissues that connect and do the same job
- 14. main organ of the circulatory system
- 15. one of the main organs of the nervous system
- 17. helps move bones, digest food, pump blood, etc.