Edexcel International GCSE (9–1) Human Biology 4HB1 · 8
Gas exchange
- Code
- 8
- Topic of
- Edexcel International GCSE (9–1) Human Biology 4HB1
- Course
- International GCSE (9–1) Human Biology 4HB1
- Board
- Edexcel
Grade boundaries·Edexcel command words
Codes and titles are read by a script from Edexcel's published specification and have not been checked by a person. What each point covers is in the specification itself: Edexcel’s specification.
Points under 8
- 8.1 Structure of the thorax
- 8.2 Intercostal muscles, diaphragm and ventilation
- 8.3 Adaptations of the lungs for gas exchange
- 8.4 Lung volumes and spirometer traces
- 8.5 Practical: exercise, breathing rate and lung capacity
- 8.6 Regulation of blood carbon dioxide
- 8.7 Aerobic exercise
- 8.8 Long-term benefits of exercise
- 8.9 Pulse rate and fitness
- 8.10 Heart rate during exercise and adrenaline
- 8.11 Practical: exercise and pulse rate
- 8.12 Oxygen debt
- 8.13 Damage caused by smoking