Teeth And Ears Similar To Our's Apes are physically different from humans, but Alesi is similar in two essential respects.

BRAIN IS SMALLER

The chimpanzee's brain is only 400 cm3, while ours is all of 1400 cm3.

PROTRUDING BROW RIDGES

The chimpanzee's

brow ridges form a major protrusion in the skull.

BIG TOE HAS GRIPPING FUNCTION

The chimpanzee's big toe can be turned, allowing the foot to grip around branches.

SPINE IS S-SHAPED

The spine in chimpanzees is curved, while in humans, it is S-shaped.

PELVIS IS WIDER

The chimpanzee's pelvis is long and narrow. In humans, it is wide and bowl-shaped.

ARMS ARE SHORTER

The chimpanzee's arms are longer than the legs, while ours are only 70 % of the legs.