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.
Nervous control of muscular contraction Structure and functions of the nervous system Muscle contraction is initiated by the nervous system which together with the endocrine system controls the human organism. They are responsible for the steadiness of the inner environment and coordination of all the bodily functions. The nerve cell, a neuron, is the basic unit of the nervous system (Fig. 14).