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