Lung volumes, rate and exercise

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• 6 sections of explanation, worked examples and diagrams
• 1 practice task with hints and worked answers
• A quiz that marks itself as you go
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Other lessons in this sub-strand

1. Respiratory surfaces and breathing
2. Respiration and the respiratory quotient
3. Why animals exchange gases
4. Five features every surface must have
5. Body size and specialised organs
6. The insect tracheal system
7. Spiracles, pumping and water loss
8. Structure of a fish gill
9. Countercurrent flow in gills
10. Why gills work in water and fail in air
11. Gas exchange in a frog
12. The path of air in a mammal
13. Alveoli as the exchange surface
14. Thorax, pleura and diaphragm
15. How inspiration works
16. Expiration and forced breathing
17. The bell-jar model of the thorax
18. Lung volumes, rate and exercise
19. What controls breathing rate
20. How blood carries the gases
21. Aerobic respiration in animal cells
22. Lactic acid and oxygen debt
23. Smoking and the lungs
24. Breathing, work and health in Kenya