List all of your moving body parts and how they help you survive?

Wow! This is really a big assignment! Do you have to list every body part, or can you summarize with body systems?

Since this is not my area of expertise, I searched Google under the key words "human moving body parts survival" to get this:

http://www.google.com/search?client=safari&rls=en&q=human+moving+body+parts+survival&ie=UTF-8&oe=UTF-8

In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.