Diffusion
Biology: Edexcel IGCSE, topic 2.1.14
Diffusion Example
The random movement of particles through a gas or liquid from high concentration to a low concentration.
Perfume
- When you spray perfume, the smell diffuses across the room from the high concentration (where you just sprayed it) to low concentration (the other side of the room).
Test yourself on Diffusion
Which of the following are true of diffusion?
Which of the following is a waste product removed by diffusion at the lungs?