Across
- 3. Respiration that happens without oxygen
- 4. Sugar broken down in respiration
- 5. Extra oxygen needed after anaerobic exercise
- 7. Product of anaerobic respiration in animals
- 9. Organelle where aerobic respiration happens
- 10. Gas needed for aerobic respiration
Down
- 1. Body tissue that may respire anaerobically during exercise
- 2. Waste gas produced in aerobic respiration
- 3. Respiration that uses oxygen
- 6. Product of aerobic respiration
- 8. Molecule that transfers energy in cells