Dissolved Substances- Diffusion

Question 0

What does diffusion mean?

Answer 0

The spreading out of particles from an area of high concentration to an area of low concentration along a concentration gradient

Question 1

What can dissolved substances do?

Answer 1

Move into and out of cells by diffusion?

Question 2

The greater the difference in concentration….

Answer 2

The faster the rate of diffusion

Question 3

What is oxygen required for?

Answer 3

Respiration

Question 4

How does oxygen pass through the cell membrane?

Answer 4

By diffusion