Unit 2 Biology


HideShow resource information


Diffusion is the passive/ random movement from an area of high concentration to an area of low concentration.

This means that gas particles in the air are all spread out.

This is the way in which things move in and out of cells.


1 of 1


mohammed hussain

it was awesome man terrific brilliant

Danielle Spring

love the way you explained diffusion. but the diagram at the bottom is of osmosis, isn't it?

Similar Biology resources:

See all Biology resources »See all resources »