Part of the "fun" of A&P is learning an individual process for how to digest large amounts of info quickly. But as far as another option, here's how I approached it:
1) Learn the different locations/regions of the body
2) Learn all the bones (or muscles, or tissue types as you get to them) for a particular region. For example let's take the foot.
So we start with major pedal (foot) bones [tarsals, metatarsals, and phalanges], then target the talus & calcaneal (ankle & heal) bones [talus, calcaneus], dorsum (top of foot) bones [cuboid, navicular, medial cuneiform, intermediate cuneiform, and lateral cuneiform], and finally the digital (toes) bones [proximal, middle and distal phalanx]. Later when you learn muscles you can do the same thing since you'll already have learned the regions.
With regards to what your professor is describing as bone functions you'll need to give me an example. For the life of me I can't think of 25 distinct things that a femur does. Maybe if I included all the functions that are common to all bones I could come close to that number, but I'd welcome an education as to what you've identified as the 25 functions of a femur.
By regionalizing this information you'll find yourself in better condition to copy it to the other half of the body, and to more easily understand the literature as you move forward in your class. I hope your able to find something of use to you in this endeavor. It can seem tough at the time, but the beauty of A&P is how this all comes back again and again and really reinforces the information over the course of a years study.