Voters go to the polls 7 a.m. to 7 p.m. Saturday to cast ballots that decide the fate of a new health sciences center for Temple College.The $7.23 million package, if approved, will finance the 30,000-square-foot building, its furnishings and equipment.Five departments will have a facility custom-crafted to their use: dental hygiene, emergency medical service professions, surgical technology, medical laboratory technology and respiratory care.The five programs provide critically needed medical professionals for the hospitals and clinics of Temple, say college officials. The same five programs have made do for many years with quarters that are either inadequate or inappropriate for teaching medically related skills, according to departmental chairs and instructors.