• The ability of moving one’s body from one place to another is called locomotion.
• In nature, the primary reason for movement has been the search of food and shelter, or in saving oneself from harsh climatic conditions or for escaping from being hunted.
• All bones in the body form a framework which gives shape to the body. This bony framework inside the body is called the skeleton.
• There are 206 bones in an adult human skeleton.
• Flat bone: Has a flattened, broad surface. Examples include ribs, shoulder blades, breastbone and skull bones.
(v) Gliding joint: These joints allow only a limited amount of movement of sliding nature of cartilage. For example, the joints of backbone.