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| | Howstuffworks "How Muscles Work" |
 | | Muscles are the "engine" that your body uses to propel itself. |
 | | The only ways for you to express an idea are with the muscles of your larynx, mouth and tongue (spoken words), with the muscles of your fingers (written words or "talking with your hands") or with the skeletal muscles (body language, dancing, running, building or fighting, to name a few). |
 | | Smooth muscle is found in your digestive system, blood vessels, bladder, airways and, in a female, the uterus. |
| health.howstuffworks.com /muscle.htm (563 words) |
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