Ans. Joint
A joint is the location at which two or more bones make contact. ,
Function
They movement provide mechanical support.
Types of Joints
Joints can be classified on the basis of the degree of movement they allow.
(i)Immoveable (Fixed) joints:Such joints allow no movement e.g. the joints between the skull bones.
(ii) Slightly moveable joints:Such joints allow slight movements e.g. joints between the vertebrae. Figure 13.6
Moveable They allow a variety of movements e.g.