The Muscular System's main priority is movement of the human body. Without muscles, there would be no movement. Three types of muscles: skeletal, cardiac, and smooth, each have specific jobs. For instance, the heart's wall is a cardiac muscle, the tricep is a skeletal muscle, and many internal organs are made up of smooth muscles.
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Muscular System
The human body has 230 movable and semi-movable joints.
"Make your feet your friend."
-J.M. Barrie
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