SELECT THE TOPIC YOU WANT TO REVISE

QUIZZES & REVISION VIDEOS

Troubleshooting:

If any of the quizzes do not load properly, simply refresh the webpage you are on 

Diffusion (Pt.1) - What it is, Fick's Law and Surface area/volume ratio

Diffusion (Pt.2) - Examples of Diffusion in Biological Systems

Surface area to Volume Ratio (Adapting to Hot and Cold Climates)

Active Transport and its role in the Absorption of Glucose

The Structure of Mitochondria (for reference only)

Adenosine triphosphate (ATP) - Synthesis, Properties and Uses (reference only)

Osmosis (The Diffusion of Water - for IGCSE)