But in reality it is a mangled pile of bicycles covering an area roughly the size of a football pitch, and so high that cranes are needed to reach the top; cast-offs from the boom and bust of Chinaâs bike sharing industry.
Involuntary muscles would be things like your heart and the muscles around your intestines, which you generally cannot consciously control. The skeletal is called voluntary muscle because it is usually subject to conscious control.
Size and shape of different muscles are highly variable depending on their functions throughout the body. Muscles are attached to specific bones by collagenous fibers called tendons. Skeletal muscle contraction is voluntary and is controlled by the somatic nervous system.