Diffusion Flashcards
1
Q
What is Diffusion?
A
When particles spread out in any substance resulting in movement from an area of high concentration to low concentration.
2
Q
What affects the Rate of diffusion?
A
The rate of diffusion is affected by the difference in concentrations, the temperature and the available surface area.
3
Q
What substances move in and out of cells by diffusion?
A
Dissolved substance such as glucose and urea
Gases such as oxygen and carbon dioxide
