List the cells involved with growing bones and rebuilding.

1. Osteoblasts: These cells are responsible for bone formation and synthesis of new bone tissue.

2. Osteoclasts: These cells are involved in bone resorption, breaking down old or damaged bone tissue.
3. Osteocytes: These cells are mature bone cells that help maintain bone tissue and detect mechanical stresses on the bone.
4. Mesenchymal stem cells: These cells can differentiate into osteoblasts and are important for bone repair and regeneration.
5. Chondrocytes: These are cartilage cells that play a role in bone growth and development, particularly during early stages of bone formation.