## Learning Outcomes

After completing this module you should be able to:

- Apply the diffusion equations to movement of a substance across a membrane which is selectively permeable.

1: Review of diffusion equations

2: The two-compartment model

3: What does continuous mean?

4: Examples of permeability

5: A formula for permeability

6: The area of the membrane

7: The final equations

8: Rate of flux

9: A metaphor

10: Continuous curves

11: Discrete curves

12: Iterating the discrete curve

13: Summary