The system that gives the body shape and support, protects the organs inside the body, and works with the muscles to move the body.
or backbone, is a column of small bones that runs down your back and keeps it straight.
Attached to the spine, these form a cage of curved bones that protects the heart and lungs and other organs.
A flexible material cushions most bones where they meet at the joints.
Connect bone to cartilage and hold the joint together.
Made of muscle, this is the tissue that makes body parts move.
The number of bones in the adult human skeleton.