Using case studies is an excellent method for applying biological concepts to Human Body Systems. If you understand how things should work you have a better chance of uncovering what could be going wrong.

The Urinary System will be our venue for applying knowledge of cell membrane dynamics.

Much of the ATP animals generate goes to running one protein pump, the Sodium/Potassium pump, found in all muscles and nerves. Let's apply our understanding of cellular energy to this dynamic system.

Amazing Immune system video: