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How Do Muscles Work?

How Do Muscles Work?

Introduction: Without your muscles, you would not be able to move. Not only can they perform heavy lifting, but can also produce finite movements, like playing the keys of a piano. At the molecular level, muscles are very complicated and consist of several different parts. When muscles contract (necessary for movement to take place), several actions take place, including some that are electrical.

This diagram shows the location of the muscles on the front side of the human body. It is important to remember that it is not just humans who have muscles.
Muscular System - Front

Directions for this Lesson: Answer the practice questions about muscles and the watch the videos to learn more about muscle physiology.


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