The Skeletal System consists of 164 pages in a spiral-bound format wit h Volumes 1, 2, and 3, upper 7 lower extremities, and joints ligamen ts. This Flash Pak is an introduction to the skeletal system, illustra ting each bone in the body from head to toe. In addition, this set als o includes a special chapter covering the joints and ligaments. These cards denote the innervation, movement, and arterial supply of each jo int and ligament.