<span> The answer is: A. Skeletal muscles control involuntary body functions
Involuntary body functions, such as the beating of the heart, Skeletal muscles exist only to control voluntarily movement, such as raising your arm or moving your leg. All involuntary organ movement such as beating of the heart and the movement of the lungs are controlled by involuntary muscle.</span><span />
The taxon was first named _Hyla microcephala_ by Boulenger
Your elbow is a hinge joint (think like a hinge on a door) and your shoulder is a ball and socket joint. Your elbow can only move two directions, but your shoulders can move anyway they want (omni-directional). Hope this helped!
