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The curved, "S" shaped spine stronger abdominal muscles the direction of the femur and the way it is jointed with the pelvis. It points inward forming a V shape when you stand upright
the first subhuman to walk upright was Homoerectus (Upright Man).
yes! if we diddnt have muscles we would juat flop and we could not walk!
human muscles are meant to maintain posture in upright position walking on 2 feet; cat muscles function to walk on 4 paws
even dough gorillas can stand upright because their anatomy allows them to, they actuallly do not walk complety upright, they lean forward and help themselves to walk by using their knucles.
Homo sapiens are modern Humans. most of us walk upright, but some don't.
A tail. Humans can walk upright without it because of the way our spines are curved.
yea they can but they rarely do
humans and other creatures that walk upright are called
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It's muscles and it's bone structure help it move it's legs.
It takes many muscles to move the leg. It takes about 200 muscles just to walk at an average pace. Forty muscles are needed at a time to help pick up their legs.