Exchange Surfaces Pt 1 - AQA Biology B1

Video
Biology
Year 10 - Year 11
S
SunnyLearning

Biology Resource Description

Exchange surfaces are specialised to allow the exchange of substances across a selective barrier. What does that mean? Continue watching this video and all will be revealed, including the features of a good exchange surface and two real life examples :) Contact me: http://www.sunnylearning.com/contact.html Additional study material: http://www.sunnylearning.com