Dissolved Substances Flashcards
1
Q
How can substances move in and out of cells
A
Diffusion
2
Q
What is diffusion
A
The spreading of particles in a gas or solution from a high concentrated area to a low concentrated area
3
Q
What can effect the rate of diffusion
A
The greater the difference in concentration, the faster the rate of diffusion
4
Q
How can diffusion occur in organisms
A
Oxygen is required for respiration which passes through cell membranes by diffusion