For no solution, the two lines have to never intersect, which means they have to be parallel lines. In other words, no solution will satisfy both equation. For infinitely many solutions, the two lines have to overlap each other, which means one equation has to be a multiple of the other equations.
[joint] the site of the junction or union of two or more bones of the body; its primary function is to provide motion and flexibility to the frame of the body. Some are immovable, such as the sutures where segments of bone are fused together in the skull.
Mandible. The mandible, the bone of the lower jaw, is the largest and strongest bone in the skull. This horseshoe-shaped bone is unique as it is the only bone of the skull that is able to move.This bone has two borders, the inferior and superior and two surfaces, the internal and external.he human skull contains 22 bones and is divided into two distinct sections; the cranium, which houses the brain, and the facial structure. The bones that make up the jaw, included in the facial structure, are important to allow for the basic functions of eating and communicating.