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Human Adult Skeleton Model measures 67 inches. Human Adult Skeleton Model is cast in durable heavy plastic. Made in the USA. Homo Sapiens is the scientific name. Life-size articulated plastic skeleton on wheeled stand.
The human adult skeleton or Homo Sapiens usually consists of 206 named bones. These bones can be grouped in two divisions: axial skeleton and appendicular skeleton. The 80 bones of the axial skeleton form the vertical axis of the body. They include the bones of the head, vertebral column, ribs and breastbone or sternum.
The appendicular skeleton consists of 126 bones and includes the free appendages and their attachments to the axial skeleton. The human adult skeleton or Homo Sapiens skeleton has free appendages that are the upper and lower extremities, or limbs, and their attachments which are called girdles.
The human adult skeleton or Homo Sapiens skeleton is not as sexually dimorphic as that of many other primate species, but subtle differences between sexes in the morphology of the skull, dentition, long bones, and pelvis exist.
The human adult skeleton or Homo Sapiens skeleton axial (80 bones) is formed by the vertebral column 32 to 34 bones; the number of the vertebrae differs from human to human as the lower 2 parts, sacral and coccygeal bone may vary in length, a part of the rib cage (12 pairs of ribs and the sternum), and the skull (22 bones and 7 associated bones).
The upright posture of humans is maintained by the axial skeleton, which transmits the weight from the head, the trunk, and the upper extremities down to the lower extremities at the hip joints. The bones of the spine are supported by many ligaments. The erector spinae muscles are also supporting and are useful for balance.
The human adult skeleton or Homo Sapiens skeleton serves six major functions: support, movement, protection, production of blood cells, storage of minerals and endocrine regulation.
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