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Walking on the two feet is what distinguishes us from the other primates, and the neanderthals and early humans from the present generation find this feature with increasing brain volume, and some believe that the way Going on two legs in a standing position increased the volume of the chest and thus the volume of breathing to run.
interesting point you probably did not know about the early humans
Walking on the two feet is what distinguishes us from the other primates, and the neanderthals and early humans from the present generation find this feature with increasing brain volume, and some believe that the way Going on two legs in a standing position increased the volume of the chest and thus the volume of breathing to run.