EVERYDAY SCIENCE

Detailed explanation-1: -Hinge joints. Hinge joints, such as in the fingers, knees, elbows, and toes, allow only bending and straightening movements. Pivot joints. Pivot joints, such as the neck joints, allow limited rotating movements.

Detailed explanation-2: -Joints are the places where 2 bones are joined together. They permit various kinds of movement which we carry out in order to fulfill our requirements. In absences of these joints, our body would become stiff and we would not be able to carry out our daily tasks.

Detailed explanation-3: -Synarthroses (immovable joints), also known as fixed or fibrous joints, are defined as two or more bones in close proximity that have no movement. An example of immovable joints are the plates of the skull.

Detailed explanation-4: -Bones are hard structures and cannot be bent.