the key interface between the north American realm and pacific rim
Hinge bones are called hinge bones because they resemble hinges that are on a door. They move on one level like elbow or knee movement.
because it works like a door hinge. When the door hinge is opened wider the angle is greater and when opened less the angle would be lesser.
pacific hinge
after WWII
The Southwest meets the Far West near San Diego, California and from there the region we call the Pacific Hinge extends all the way up to Vancouver, its northern anchor in southwestern British Columbia.
The shoulder is not a hinge joint. You probably meant elbow. It is a hinge along with the knee. It is called a hinge because it works much the same as a door that can open and close by having one edge shared with the door jam that holds the door where it is but allows it to move in one plane, back and forth.
The pin that slides into a door hinge is called a hinge pin. It is usually removable to allow for door removal or adjustment.
hinge joint
gurgle
Its called the ring of fire because of all the volcanic activity surrounding the Pacific Ocean
The three Pacific States of the United States are California, Washington, and Oregon They are called that because they are on the coast of the Pacific Ocean.