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Muscle is a soft tissue found in most animals. Muscle cells contain protein filaments of actin and ..... but only for a few minutes. The heart does its work continuously over an entire lifetime without pause, and thus does "outwork" other muscles.


Muscles are the "engine" that your body uses to propel itself. Although they work differently than a car engine or an electric motor, muscles do the same thing ...

Jan 8, 2009 ... How Muscles Work. ... Your browser does not currently recognize any of the video formats available. Click here to visit our frequently asked ...


In order for muscles to move your entire body has to work to make the ... When you do a bicep curl, the muscle contracts, the elbow flexes and the weight is lifted .


Muscles are the contractile tissue of the body, and produce all movement, and circulation in the body. One muscle fibre is a cell and is composed of a number of  ...


You control some of your muscles, while others — like your heart — do their jobs without you thinking ... But smooth muscles are at work all over your body.


Nov 26, 2014 ... Most animals rely on muscles to move, irrespective whether it is feed, ... If, however, α-actinin is produced but does not function properly, the ...


Ever feel overwhelmed when you look at all those muscles in your textbooks? Well, if you do, then maybe learning a little about their anatomy and...


Aug 13, 2012 ... Nicholas has been learning about the muscles in his body. He's learned about the tree types of muscles - smooth, skeletal, and cardiac.