Diffusion

//**//**Diffusion Diffusion is movement of molecules in a gas or fluid from a region of higher concetration to a region of lower concetration.



The function of diffusion is to transport one molecule to the other.

media type="google" key="5336575425429921218&hl=en&fs=true" width="400" height="326" Sourses: Textbook:Biology By Stephen Nowicki,McDougal Litell Copyright 2008 URL for pictures:**// [|//**http://images.google.com/images?hl=en&q=diffusion&um=1&ie=UTF-8&sa=N&tab=wi**//] //**URL for video:http://video.google.com/videosearch?hl=en&q=diffusion&um=1&ie=UTF-8&sa=N&tab=iv#**//**//