1. Bone: Bone is composed of hard cartilage and calcium.
2. Cartilage: Cartilage or soft bone is composed of soft cartilage and chondrin. It does not contain calcium.
3. Ligaments: Ligaments connect one bone to another bone. It is dense, white fibrous and elastic. It holds various organs in proper place.
4. Tendon: Tendons are located at the ends of muscles and connect bones and muscles. It is dense, strong, whitish, flexible and inelastic.
5. Joint: Two or more unstable meeting points are joints. It facilitates movement, movement, bearing and function of various organs.