Across
- 3. filters the air that we inhale and goes into the bronchi. It is also called the windpipe.
- 7. are two tubes that carry air to the lungs and are attached to the trachea.
- 9. The process in which oxygen and glucose undergo a complex series of chemical reactions inside cells; also called
- 10. is consumption
- 11. bring in air through the nose
- 12. the main organ in the respiratory system
Down
- 1. Process where a substance absorbs or is being absorbed
- 2. process of eliminating waste matter.
- 4. tiny sac that is present in the lungs and where the gaseous exchange takes place.
- 5. contracts and flattens out. This movement causes there to be plenty of space in the lungs and pulls air in. Expands out and decreases the amount of space in your lungs.
- 6. process of breaking food down
- 8. where substances are produced and discharged from a cell