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How Do Muscles Work?
Some muscles, like the muscles in your heart and digestive system, are involuntary. They work by themselves without you consciously telling them to do anything. Other muscles are voluntary, meaning you order them to move. Both types of muscles are... More »
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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 ...


Dec 12, 2016 ... There are 3 types of muscle in the human body. Skeletal, smooth, and cardiac. In order for muscles to move your entire body has to work to ...


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.

Feb 9, 2014 ... How Skeletal Muscles Work ... Muscle Fibers Explained - Muscle Contraction and Muscle Fiber ... How Do Muscles Actually Get Bigger?
Jan 8, 2009 ... How to do a Squat Properly: Watch the Muscles in 3D - Duration: 2:56. Muscle&Motion 691,988 views · 2:56 · Monster: The Kali Muscle Story ...
Jan 21, 2016 ... Dr. Angelina Whalley, curator of BODY WORLDS, talks with WSOC's Laura Palka about what keeps our bodies moving and how to keep ...


In general, muscles work when calcium ions are released, which triggers muscle cells to contract. The contracting muscles pull on tendons, which in turn pull on ...


Nov 26, 2014 ... Scientists have elucidated the molecular structure and regulation of the essential muscle protein alpha-actinin. The new findings allow ...