This document provides an overview of the musculoskeletal system, including the names and classifications of bones and joints in the human body. It discusses the 206 total bones classified as long, short, flat, or irregular bones. The bones are divided into the axial skeleton (skull, vertebral column, rib cage, sternum) and appendicular skeleton (shoulder and pelvic girdles, limbs). Details are given on the specific bones in the axial and appendicular skeletons, including the 80 bones in the axial skeleton and 126 bones in the appendicular skeleton. Common questions about bones are also provided.