(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.
In cases with a jury, the judge is responsible for insuring that the law is followed, and the jury determines the facts. In cases without a jury, the judge also is the finder of fact. Read more: http://wiki.answers.com/Q/What_is_the_role_of_a_judge#ixzz186DMbhTD A judge is an elected or appointed official who conducts court proceedings. Judges