Across
- 4. Gas required for aerobic respiration
- 5. Increases breathing and heart rate for energy
- 6. Anaerobic respiration in yeast
- 7. Respiration without oxygen
- 11. By-product of aerobic respiration
- 12. Movement of gases during respiration
- 14. Release of energy from glucose
- 16. Produced in anaerobic respiration in muscles
- 17. Sum of all chemical reactions in body
- 18. Tiredness due to lactic acid build-up
- 19. Main product released during respiration
Down
- 1. First step in both aerobic and anaerobic respiration
- 2. Energy stored in food molecules
- 3. Respiration using oxygen
- 7. Energy currency of the cell
- 8. Proteins speeding up respiration reactions
- 9. Waste product of aerobic respiration
- 10. Organelle where respiration occurs
- 13. Extra oxygen needed after exercise
- 15. Sugar molecule broken down in respiration