Across
- 2. Alberta and Saskatchewan border
- 3. North Korea and South Korea border
- 4. System that involves the heart, blood, blood vessels
- 8. System responsible for exchanging oxygen and carbon dioxide
- 11. System in which you can find smooth, cardiac and skeletal
- 12. To keep your body healthy, get plenty of ________________
- 13. spreading out from high concentration to low concentration
- 14. System responsible for regulating blood and excreting wastes
- 17. Cells of similar structure form to make ____________
- 19. Levels of organization of organisms
- 20. A disorder of the digestive system
Down
- 1. permeable Type of membrane that allows some in and keeps some out
- 5. Characteristic of living organisms
- 6. System that senses internal and external changes
- 7. This invention allows us to see the world that is small
- 9. A disorder that can affect the respiratory system
- 10. A fancy science term for 'parts'
- 13. System that breaks down food and absorbs particles
- 15. What all living things are made of
- 16. diffusion of water across a selectively permeable membrane
- 18. To keep your body healthy, do NOT _______________