WASSCE Biology · Animal Body Systems
Respiratory Systems and Gas Exchange
Gas exchange in plants, fish, insects, and humans, and the structure of the human respiratory system.
- lessons
- 2
- of study
- 28 min
- free to read
- 1
Across the topic: 9 sections
Topic content
Lessons in this topic
2 lessons · 28 min
- 1Gas exchange: principles, plants and simple organisms13 minFree13 minFree
- 2Gas exchange in fish, insects and mammals15 min Plan15 min Plan
- Gas exchange in fish
- Gas exchange in insects
- The mammalian respiratory system
- Ventilation in mammals
- Comparing respiratory surfaces
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