Anatomy Practice Exam

What part of the body does the appendicular skeleton connect to?

1. The axial skeleton

2. The circulatory system

3. The muscular system

4. The integumentary system

The correct answer is: The axial skeleton

The appendicular skeleton is primarily responsible for facilitating movement and supporting the body's limbs. It includes all the bones that form the upper and lower limbs, as well as the pelvis and shoulder girdles. This structure connects to the axial skeleton, which comprises the skull, vertebral column, and ribcage, thereby providing a crucial framework that supports the body’s structure and allows for motion. The connection between the appendicular and axial skeleton is vital for various physical activities, as the axial skeleton serves as the central support axis while the appendicular skeleton allows for the movement of limbs in space. The joints, particularly the shoulder and hip joints, are crucial interfaces where the appendicular bones articulate with those of the axial skeleton, enabling a wide range of motion. Other systems and parts of the body, such as the circulatory system, muscular system, and integumentary system, play different roles and do not serve as direct connections for the appendicular skeleton. This distinction highlights the specialized function of the skeletal system in providing structural support and facilitating movement for the entire body.