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No bones about it; your bones can’t do much without muscles to move them. You have three major types of muscle tissue known as skeletal, smooth, and cardiac muscle. Learn about all 11 organ systems with the Amoeba Sisters! http://www.youtube.com/watch?v=nnjmrrQ6xOs

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i feel all students should have a grasp of basic theoretical issues relating to pe whether they take gcse or not, eg, bones, muscles,barriers, benefits... what's happening in the sport world etc..

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