ATEN-POUND bite requires a forty-pound contraction of the human jaw muscles. That is because the jaws are built on the principle of a pair of tongs, The power is applied near the joint ...
"Why do some of us have a jaw with a prominent chin, while others have a less noticeable one? Why do modern human jaws tend ...
He made the following discoveries: the human jaw has one bone, not two the human breastbone has three parts, not seven blood does not flow into the heart through invisible holes in the septum (the ...