(See also color plates.) The circulatory system transports to the tissues and organs of the body the oxygen, nutritive substances, immune substances, hormones, and chemicals necessary for normal function and activities of the organs; it also carries away waste products and carbon dioxide.
The court officer whose duties are to keep in order the courtroom, to secure witnesses, and to maintain physical custody of the jury. Expert witness. a person who has special knowledge and skills recognized by the court as relevant to the determination of guilt or innocence.
Prison officers must maintain order and daily operations of the facility and are responsible for the care, custody, and control of inmates. A correction officer has a responsibility to control inmates who may be dangerous, and that society themselves do not wish to accommodate. An officer must always prevent disturbances, assaults, and escapes by supervising activities and work assignments of inmates.