1. This substance makes the bones hard and strong. 2. It refers to the lubricating fluid of the joints. 3. It is a type of bone injury wherein the ligaments are partially or completely. 4. This type of joint is found in the skull in the form. 5. It refers to the thin covering of the bone's surface. 6. These are bones that are typically longer than wide. 7. These are bones found in the central axis of our body. 8. It protects our heart and lungs. 9. This refers to the emergency and initial treatment given to an injured person. 10. It is the most common bone disease of elderly people. It is characterized by the brittleness of the bones.​