Home > Science > Additional OCR Gateway Science Topics > Living and growing > Diffusion
Living and growing
Diffusion is the movement of a substance:
From a low concentration to a high concentration
In liquids and gases
Through a membrane
Which change would NOT speed up diffusion in an animal cell?
Make the membrane thinner
Move the blood supply closer
Make the cell rounder
Which substance moves out of respiring cells?
Which substance moves into a foetus's blood by diffusion?
Water diffusing out of air spaces in leaves is called: