what is the approximate size of the human rib cage
Bone.
Chimpanzee rib cages have roughly the same consistency.
Costa
Approximately 163lbs (74kg) should begin to cause organ damage.
If you find your sternum (the center of your rib cage your heart is slightly tilted and just to the left of it
There are 24 ribs in the human rib cage, 12 on each side of the sternum.
it should be the rib cage
In the human body, the most likely place to find a bone (Most powerful) is the rib cage.
Your Rib Cage.
7th rib
See picture at: http://en.wikipedia.org/wiki/Human_rib_cage