The place where two bones meet is called a joint and bones that form a joint are attached to each other by ligaments. Ligaments, joints and muscles all help the skeleton to bend and generate movements, like climbing stairs.
Inside the body, the skeleton has muscles, blood vessels and skin wrapped around it. The bones in the neck, legs and back keep the body upright and stop it from collapsing.
The skeleton acts as a frame that supports and protects the animal, as well as help it move.