Across
- 5. absorption
- 9. using toilet
- 12. special points
- 13. transport of oxygen
- 14. possibility for something
- 15. process of eating and using food
Down
- 1. photosynthesis
- 2. reproduction
- 3. movement of mucus in the trachea and bronchi
- 4. gradual changes in organism
- 6. something utilized for
- 7. act of changing place
- 8. ability to feel
- 10. central lens of the eye
- 11. metabolic process of getting energy from organic molecules