course credits

i understand i have to do 68 credits...
in the general requirement is there any more than the below ones that one has to do...or does it differ from college to college...Iam preety new to the educational system so plase bear with me.
Math (Algebra) Pre-requisite to Chemistry

CH 103 Introduction to Inorganic and Organic Chemistry (4)(Must be taken before NUR 101)
EN 101 Composition I (3)
EN 102 Composition II (3)
PS 101 Introduction to Psychology (3)
PS 102 Psychology of Human Growth and Development (3)
BS 103, BS 104 Anatomy and Physiology I, II (4,4)
BS 203 Microbiology (4)
Sociology Elective (3)
Humanities Elective (3)