The secretary of the board shall:
(1) Keep the minutes of the proceedings of the board and accurate accounts of the expenditures of the board.
(2) Draw all requisitions for the payment of money on account of the board of health from appropriations made by council to the board and shall present the requisitions to the president of the board for the president's approval.
(3) Render statements of the expenditures to the board at each stated meeting or as frequently as the board may require.
(4) Prepare, under the direction of the board, the annual report to council, together with the estimate of appropriations needed for the ensuing year.
(5) Make reports to the Department of Health as required by law, rule or regulation of the department.
(6) Make other reports and perform other duties as required by law or by the board of health.