At this present time, I feel I have progressed a lot since I started. I have already learnt a huge amount about human anatomy. Seeing how the body works in a book, or video or even someone else's 3D anatomy study doesn't compare to creating it yourself; at least in my case, it seems the knowledge has commit much deeper into my memories.
I have completed the skeletal system which serves as the base for each of the 3 body types:
Here are the respective basemeshes; split into separate subtools allowing me to hide/show different bones: