Across
- 3. energy source
- 5. the organ in which gas exchange happen
- 6. energy for photosynthesis
- 9. binds the oxygen
- 11. has thick wall, leaves the heart
- 12. the part of lungs where gas change happen
- 14. to make new cells
- 17. blood from the wo=hole body to the heart
- 18. acid that kills germs in the food
Down
- 1. where gases are in and out the plant
- 2. product of photosynthesis
- 4. location of hotosynthesis
- 7. causes addiction
- 8. absorb sunlight
- 10. lack of nutrients
- 11. found in white blood cells
- 13. help to breakdown the nutrients
- 15. produces digestive enzyme
- 16. disturb oxygen supply in blood