(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.
Correctional Officer Job Duties. The primary duty of a correctional officer is to maintain order in a detention facility. This involves learning any and all rules of the facility in which they work and enforcing those regulations to be certain that inmates act in an orderly way.