Richard Ramirez, the serial killer who terrorized Southern California in the 1980s as the Night Stalker, has died in prison while awaiting execution. Ramirez died of natural causes at Marin General Hospital. He was 53 years old. San Quentin State Prison spokesman Lt. Sam Robinson confirmed Ramirez's death Friday.
The somatic nervous system (SoNS or voluntary nervous system) is the part of the peripheral nervous system associated with skeletal muscle voluntary control of body movements. The SoNS consists of afferent nerves and efferent nerves.
Muscles are attached to specific bones by collagenous fibers called tendons. Skeletal muscle contraction is voluntary and is controlled by the somatic nervous system. The contraction is caused by neural impulses delivered to the muscle by motor neurons originating from the central nervous system (CNS).