Edexcel AS Biology B 8BI0 · 4.3

Gas exchange

Code: 4.3
In: 4 Exchange and Transport
Course: AS Biology B 8BI0
Board: Edexcel

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 4.3

4.3(i) Gas exchange in insects, fish and mammals
CP7 Core practical: dissecting an insect's gas exchange system
4.3(ii) Gas exchange in flowering plants

Points in 4 Exchange and Transport

4.1 Surface area to volume ratio
4.2 Cell transport mechanisms
4.3 Gas exchange
4.4 Circulation
4.5 Transport of gases in the blood
4.6 Transfer of materials between the circulatory system and cells
4.7 Transport in plants