The function of the appendicular skeleton in humans includes facilitating movement and providing structure to the limbs. Comprising the pectoral girdle, arms, pelvic girdle, and legs, this skeleton supports various physical activities like walking, running, and grasping. It works in conjunction with muscles to allow flexibility and range of motion. This skeletal part is also essential for stability and maintaining balance during movements. Additionally, the appendicular skeleton protects organs within the pelvis and shoulder regions. Overall, it plays a significant role in both locomotion and coordination of bodily movements.