Diffusion Flashcards
1
Q
What do dissolved substances do by diffusion?
A
They pass into and out of cells.
2
Q
What is diffusion one of the only processes to do what?
A
It is one of the only processes that allow dissolved substances to pass through the cell membrane to get into or out of a cell.
3
Q
When does diffusion occur?
A
Diffusion occurs when particles spread.
4
Q
What do the particles do in diffusion?
A
They move in a region where they are high concentration to a region where they are in low concentration.
5
Q
When does diffusion happen?
A
It happens when the particles are free to move.