Description: Inside our body are the bones of our skeleton, supporting our body and holding it up. It provides a protective cage for all the delicate organs inside. The ribcage protects the heart and lungs. As we grown so our skeleton grows with us. The human skeleton is made up of over 200 bones. The clip also shows x-ray images of static and moving humans and a cheetah and images of the skeletons of a bird and frog.
With thanks to "Getty Images"
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