B1 2.1 Responding to change & 2.2 Reflex Actions

At any moment, there is an electrical storm coursing through your body. Discover how chemical reactions create an electric current that drives our responses to everything from hot pans to a mother's caress.

This video is entirely optional as it goes into more detail than you need for GCSE. However, it is interesting!

Hank begins a series of videos on organ systems with a look at the nervous system and all of the things that it is responsible for in the body.