OCR A-level Biology A H420 · 3.1.1(b)
Features of efficient exchange surfaces
- Code
- 3.1.1(b)
- In
- 3.1.1 Exchange surfaces
- Topic
- 3 Exchange and transport
- Course
- A-level Biology A H420
- Board
- OCR
Grade boundaries·OCR command words
Codes and titles are read by a script from OCR's published specification and have not been checked by a person. What each point covers is in the specification itself: OCR’s specification.
Points in 3.1.1 Exchange surfaces
- 3.1.1(a) Why specialised exchange surfaces are needed
- 3.1.1(b) Features of efficient exchange surfaces
- 3.1.1(c) The mammalian gas exchange system
- 3.1.1(d) Ventilation in mammals
- 3.1.1(e) Vital capacity, tidal volume and oxygen uptake
- 3.1.1(f) Ventilation and gas exchange in fish and insects
- 3.1.1(g) Dissecting fish or insect gas exchange systems
- 3.1.1(h) Microscope slides of exchange surfaces