Muscular System Interactive Anatomy Explorer from InnerBody.com
*Best viewed on a computer.
See amazing illustrations of every part of the body’s muscle system along with detailed descriptions of different muscles, their movements, and their purpose. The muscular system is the means for the body to be able to move. 700 named muscles attached to bones make up approximately half of a person’s body weight. Each muscle is considered its own muscle and is composed of skeletal muscle tissue, blood vessels, tendons, and nerves. The heart also has muscle tissue, along with the body’s digestive organs and blood vessels. Muscles help move substances all over the body. Lexile 1180