These processes determine the development of various bones in the body, including those in the skull.
Bone development can occur through two main processes: endochondral and membranous ossification. The inner core of bones, known as the medulla, contains either red bone marrow, which serves as the primary site of hematopoiesis (formation of blood cells), or yellow bone marrow, which is predominantly composed of adipose tissue. Through the attachment of tendons and musculature, the skeletal system acts as a lever, generating the force required for movement. Each bone in the body is connected to one or more other bones through joints, with the exception of the hyoid bone. Calcium and phosphate are abundant within the bone matrix, contributing to the strength and density of the bone structure. Osteocytes are the most abundant cells found in mature bone and are responsible for maintaining bone growth and density. It consists of a matrix composed of ground substance and collagen fibers, within which osteocytes are embedded. Bone tissue is a form of calcified connective tissue. Furthermore, bones play a role in the production of red blood cells (RBCs) and white blood cells (WBCs), and they also serve as storage sites for minerals. The primary role of bones is to provide structural support to the body and facilitate mobility. 
It is comprised of various types of cells and possesses an internal matrix with a honeycomb-like structure, which imparts rigidity to the bones. Bone is a rigid connective tissue that constitutes the skeletal framework.Additionally, bones act as protective structures, safeguarding internal organs and other vital structures within the body. First and foremost, bones provide somatic rigidity, giving the body its structural outline and enabling an erect posture and movement, such as the bipedal gait unique to humans.
The skeletal system serves several crucial functions in the body.These types include flat, long, short, irregular, and sesamoid bones. There are a total of 206 bones in the adult human skeleton, which can be classified into five main types based on their shape, placement, and additional properties. Bones are integral components of the skeletal system in the human body.
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