This full-size human skeleton has a flexible spine that can bend to mimic natural human movement. Each model is painted to realistically display the muscle origins in red and muscle insertions in blue. Each muscle is accurately painted and numbered. Both the arms and legs are removable for further study. All movable parts are joined by connectors, and utilized in such a way to allow movement around the joint. Hands and feet are wire mounted to demonstrate their natural position.The skull features a movable jaw, removable skullcap, suture lines and a full dentition. Bones are cast individually from naturally colored plastic with anatomical detail. Comes pelvic mounted on a roller base and supplied with a diagram.