Bone marrow of long bones such as the femur - Production of blood cells., Contraction of muscles attached to bones. - Movement, Cartilages - Reduce friction when bones are rubbed together., Skeleton - Provides a framework., Major bones such as the cranium, rib cage, vertebrae and pelvis - Surrounds and protects vital organs., Joints - Connect bones together. , Bone tissue - Stores calcium, phosphate and vitamin D., Calcium phosphate - The chief material which strengthens bone and maintain their overall health., Vitamin D - Helps in the absorption of the minerals calcium, phosphorus and magnesium., Minerals needed for healthy bones. - Calcium and phosphorus, Tendons - Connect the ends of muscles to bones., Ligaments - Hold bones together.,




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