(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 other words, the Jury functions as the decision-makers who determine whether or not there is enough evidence to actually press charges against a person [Indictment by Grand Jury], and whether or not a Defendant is guilty or innocent of the charges levied against them [Conviction or Acquital by Petit Jury].