Across
- 3. fat and oil containing items start to taste and smell bad
- 9. a layer of oxygen on a metal
- 10. merging of fats
- 11. the functional unit of kidney
- 12. insoluble substances
- 15. ray, the ray visible after refraction
Down
- 1. a flap like structure
- 2. objects appear enlarged
- 4. when substances break down to simpler substances
- 5. center, the center most point of a lens
- 6. series of wave like muscle contraction to push the food forward
- 7. not real
- 8. enzymes are also called as___
- 13. bending of light
- 14. energy releasing