(1) supervise the administration of those services included in the program which are not administered directly by it;
(2) provide such methods of administration, including those necessary to establish and maintain a merit system of personnel administration, as are necessary for the efficient operation of the plan;
(3) extend and improve local maternal and child health services throughout the islands;
(4) cooperate with medical, nursing and welfare groups and organizations;
(5) develop demonstration services in needy areas and among groups in special need;
(6) cooperate with the Federal Government through its appropriate agency or instrumentality in developing, extending, and improving such services; and
(7) receive and expend all funds made available to the Department of Health by the Federal Government, the government of the Virgin Islands or its political subdivisions, or from other sources, for such purposes.