Across
- 4. Process that converts light energy from the sun into chemical energy that fuels the metabolism of organisms
- 8. This is cause by tobacco
- 9. A another name of nose
- 10. Refers to the lungs or the respiratory system
Down
- 1. The net movement of molecules from an area of greater concentration to an area of lesser concentration.
- 2. The layer of gases that surrounds a planet or other celestial body
- 3. The process by which organisms exchange oxygen and carbon dioxide
- 5. Name the thing that is very harmful to our respiratory system by using it
- 6. A series of biochemical reactions to release the energy stored in nutrients through the oxidation of acetyl derived from carbohydrates
- 7. Rings of this is present in the throat