求翻译：人体有206块骨头，六百五十多块肌肉，它们在关节等结构的共同作用下，使人体自由的活动。骨头对人体有支持和保护内脏的作用。骨细胞由成骨细胞、破骨细胞、骨细胞三种构成。是什么意思？

The human body has 206 bones, more than six hundred fifty-muscle them together in joint structure, the activities of human freedom. Bones support and protect the role of the internal organs of the human body. Bone cells by osteoblasts, osteoclasts cells, bone cells three constitute.

body there are 206 bones, more than 650 muscles, joints, and other structures in their common role in the activities of the human freedom. bones in the human body has a support and protection of internal organs. By bone cells into bone cells, bone cells, bone cells 3.

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The human body has 206 bones, more than 650 muscles, under their joint structures, such as, so that the body of free activities. Bones on the role of the support and protection of internal organs of the human body. Bone cells from osteoblasts, osteoclasts, the bone cells in three species of composit

The human body has 206 bones, more than 650 muscles, they in under the joint isostructuralism together function, cause the human body free activity.The bone has to the human body supports and protects the internal organs the function.The bone cell by the osteoblast, the osteoclast, the bone cell thr