1.6 diffusion Flashcards
1
Q
What is diffusion?
A
Diffusion is the spreading out of particles in any substance resulting in a net movement from area of high concentration to an area of lower concentration, down the concentration gradient
2
Q
How is the range of diffusion affected?
A
The rate of the fusion is affected by the difference in concentrations, the temperature, the available surface area
3
Q
What substances move in and out of cells by diffusion?
A
Dissolved substances such as glucose and urea and gases such as oxygen and carbon dioxide
