EVERYDAY SCIENCE

Detailed explanation-1: -jaw, either of a pair of bones that form the framework of the mouth of vertebrate animals, usually containing teeth and including a movable lower jaw (mandible) and fixed upper jaw (maxilla). Jaws function by moving in opposition to each other and are used for biting, chewing, and the handling of food.

Detailed explanation-2: -What are the functions of bone? Bone provides shape and support for the body, as well as protection for some organs. Bone also serves as a storage site for minerals and provides the medium-marrow-for the development and storage of blood cells.

Detailed explanation-3: -It includes the skull, vertebral column, collarbone, shoulder blades, rib cage, pelvic girdle and the bones of the hands, arms, feet, and legs. The skeleton supports the body and protects its internal organs. It is held together by ligaments and moved at the joints by the muscles, which are attached to it.

Detailed explanation-4: -Long bone – has a long, thin shape. Short bone – has a squat, cubed shape. Flat bone – has a flattened, broad surface. Irregular bone – has a shape that does not conform to the above three types.