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skeleton |
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| navigate by keyword : 206 270 adulthood after age and appendicular around attached axial birth body bone bones cage can column composed decreases density divided formed framework fused girdle girdles have human internal into limbs lower mass maximum pectoral pelvic reaches rib skeleton skull some the this together total upper vertebral which |
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| The human skeleton is the internal framework of the body. It is composed of 270 bones at birth[1][2][3] ââ¬â this total decreases to 206 bones by adulthood after some bones have fused together. The bone mass in the skeleton reaches maximum density around age 30. The human skeleton can be divided into the axial skeleton and the appendicular skeleton. The axial skeleton is formed by the vertebral column, the rib cage and the skull. The appendicular skeleton, which is attached to the axial skeleton, is formed by the pectoral girdles, the pelvic girdle and the bones of the upper and lower limbs. |
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Stockphotos.ro (c) 2024. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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