The Human Skeleton: Evolution for Walking

The video explains the evolution of the human skeleton from an ape-like structure to modern humans. It highlights changes in bone length and skull shape, which facilitated bipedalism. Walking on two legs allowed humans to use their hands for other tasks, such as hunting and tool-making, providing energy efficiency and adaptability.

How did walking on two legs benefit early humans?

In what ways did the changes in the skeleton affect human activities?