American Academy of Professional Coders (AAPC) Practice Exam

The human skeleton is divided into how many main parts?

1. One

2. Two

3. Three

4. Four

The correct answer is: Two

The human skeleton is divided into two main parts: the axial skeleton and the appendicular skeleton. The axial skeleton consists of the bones along the body's long axis, including the skull, vertebral column, and rib cage. This part of the skeleton serves to protect the brain, spinal cord, and thoracic organs, while also providing support and structure for the body. The appendicular skeleton comprises the bones of the limbs and girdles (shoulder and pelvic), facilitating movement and interaction with the environment. This division is fundamental in anatomy, as it helps in understanding the functional aspects of the skeleton in relation to movement and the body's overall structure.