It consists of 22 different bones that are divided into two groups: bones of cranium and bones of face. Skull: Skull is that part of human skeleton that forms the bony framework of the head. It consists of Skull, vertebral column and thoracic cage. Axial Skeleton: Axial skeleton forms the axis of human body. Divisions of Human Skeleton: Human skeleton can be divided into two divisions. A joint occurs between “two or more bones”, “bone and cartilage” and “cartilage and cartilage”. ![]() Joints: Joints are important components of human skeleton because they make the human skeleton mobile. Bones are highly mineralized with calcium salts while cartilages are not. ![]() The main difference in the cartilage and bone is the mineralization factor. Cartilages: Cartilage is also a form of connective tissue but is not as tough and rigid as bone. ![]() It is the weight bearing organ of human body and it is responsible for almost all strength of human skeleton. Bones: Bone is a tough and rigid form of connective tissue. Figure (a) shows the skeletal system Components of Human Skeleton: Human skeleton is composed of three main components Bones, Associated cartilages and Joints.
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