Relacionar Columnas Skeletal SystemVersión en línea Match the following por Ms. Burton 1 Bones are made out of ? 2 The skull 3 The spine 4 The hardness of bones is called ____________ 5 The ribs Crystals of Calcium Protects the brain and forms the shape of the face. Made up of vertebrate that support and protect the spinal cord. Protect the heart, lungs, and other organs in the chest cavity. Different kinds of tissues/