The skeleton is a rigid framework of bone and cartilage. The skeleton, also known as the muscloskeletal system consists of the muscles, bones and any connective tissues such as ligaments and tendons .
It is designed for protection (of organs), posture and to provide movement. The average adult has 206 bones as well as a network of tendons, ligaments and cartilage, a child at birth has 270. The biggest bones in the body are the 2 femurs.