Bone still cartilaginous. The following steps are followed in the conversion of cartilage to bone: Bones have a variety of functions: Bones serve a variety of mechanical functions. Together the bones in the body form the skeleton. They provide a frame to keep the body supported, and an attachment point for skeletal muscles, tendons, ligaments and joints, which function together to generate and transfer forces so that individual body parts or the whole body can be manipulated in three-dimensional space (the interaction between bone and muscle is studied in biomechanics). Bones protect internal organs, such as the skull protecting the brain
Bertram A. Bone capacity, he was responsible for the recruit training of all new marines on the West Coast of the United States. When Marine Corps Base San Diego was redesignated Marine Corps Recruit Depot in January 1948, Bone was appointed assistant chief of staff for operations and training. He served in this capacity until his retirement on June 30, 1949. Bone was advanced to the rank of brigadier general for having been specially commended in combat. He settled in his native San Diego and died on October 22, 1961. Bone is buried at Fort Sam Houston National Cemetery together with his wife,