Professional schools require a Bachelor of Arts or Science in any major with the following courses so most follow the BS in Biology which gives all required and recommended courses for Medical, Dental, Optometry, and Veterinary Schools:
General Chemistry with lab: 2 semesters
General Biology with lab: 2 semesters
Physics: 2 semesters
Organic Chemistry: 2 semesters
English: 2 semesters
Psychology: 1 semester
Students must also complete an entrance test (MCAT, VCAT, DAT or OAT).
Many health professions schools require or strongly recommend other courses such as biochemistry, cell biology, genetics, microbiology, statistics, and calculus.