Across
- 2. movement of solid's particles
- 4. dome-shaped muscle
- 8. air sacs
- 9. an example of mixture
- 11. the highest cloud in the atmosphere
- 12. gas to liquid
- 15. the biggest part of brain
- 17. basic unit of living things
- 18. frozen hair drop
- 19. subtance that disolve solute
- 20. Beat per minute
Down
- 1. other name of trachea
- 3. one of the subtance physical properties
- 5. breathing system
- 6. concious thougt action
- 7. lower part of human's heart
- 10. an example of solution
- 13. main factor for subtance changes
- 14. liquid element of blood
- 16. form of two or more subtances