In biology, the skeleton or skeletal system 💀 is the anatomical system that provides support and protection to the soft tissues and muscles of living organisms, enabling the functions of locomotion. Vertebrates have an internal skeleton, consisting of bones that are joined by joints.
The term skeleton defines all the bones and cartilage that support the body of vertebrates, including the human skeleton.
All types of bone are formed by cells called osteocytes, which are formed from the differentiation of osteoblasts. Among the mineral salts that make up bones are calcium salts, carbonates and phosphates. The deficiency of these minerals in the bones can make them less resistant.
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