Go talk to your schools preprofessional (premed/predent/etc) advisor. They should be able to point you in the right directions. That or just look at the website of some of the schools that you want to apply to and see what they require. Some schools have additional classes they require beyond the standard 2 sems of biology w/ lab, 2 sems of general chem w/ lab, 2 sems of organic chem w/ lab, 2 sems of English, 2 sems of general physics with lab.