This is a really great video that shows you exactly how a prosthetic leg connects to the body and what makes it work so well. It has light-weight carbon and aluminum parts as well as a "foot" that mimics a real foot. Because of this technology, so many people can walk. See if you can predict what new technological advances will do for the people who have prosthetics. Also, why do you think people may get new legs or hands every now and then?
How a Prosthetic Leg Works
Daniel, B. (2010, March 5). How a prosthetic leg works [Video file]. Retrieved from
http://www.youtube.com/watch?v=43WpTnJJuTE
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