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Action Potential Video on YouTube

There are a couple of videos on YouTube that may help you understand the process of muscle contraction and relaxation.

#1: http://www.youtube.com/watch?v=70DyJwwFnkU&feature=related

#2: http://www.youtube.com/watch?v=gJ309LfHQ3M

Let me know what you think of the videos!


I thought they were quite interesting.