The human skeleton is made up of more than 200 bones that give protection and support and allow the body to move ... that pull them into different positions. Bones are also there to protect ...
Walking and running upright on two feet as humans do requires some specialized adaptations of the skeleton and muscles. Modern human anatomy has built on the strengths and the weaknesses of a body ...
来自MSN3 个月
Archaeologists crack mystery of skeleton made of bones from people who lived 2,500 years apartArchaeologists have unravelled the mystery of a strange skeleton ... position. The bones were initially thought to be from the second or third century AD even though the arrangement of the body ...
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