Explores the anatomy and functions of human joints, categorizing them into ... the ball-and-socket joint of the shoulder and hip, and the complex structure of the knee. The film describes the ...

His bones were fossilized ... dry climates. His ribcage and shoulder girdle indicate that he could swing his arms when walking or running, as we do, something that earlier hominids were incapable ...

But with humans, it’s all going on under the skin. The human skeleton is made up of more than 200 bones that give protection and support and allow the body to move. The skeleton gives the body ...