I am 47 years old and have found online classes a very convenient way to take my pre-reqs. I have completed both semesters of A&P and am currently taking Micro and Human Development online from a nearby community college. The laboratory components have to be done on campus, but they offer them at night, so I am still able to work a full-time job during the day. If your preferred learning style is by reading, online classes are a perfect fit. You can always e-mail the professor with questions, but in my experience, you just read the book and take the tests. Some classes have included assignments, such as research papers or participation in group discussions. The flexibility of scheduling offered by online classes is of real value to those of us whose work and/or family control much of our time. Even if you take traditional classes, you have to ensure the nursing schools you are applying to accept credits from the school where you take the pre-reqs, of course. And check the hardware/software/connectivity requirements to ensure that your computer is up to the task. Good luck!