Answer:
I don't think you'll understand this but...
Explanation:
Think of it as Evolving A Pokemon.
If that doesn't help go to google type in your question (Make sure its simple) And it should Give you a simple answer.
It is probably the l<span>amellae.
The lamellae are sheets of bony matrix. This bony matrix is produced by o</span>steoblasts, which are cells that synthesise collagen<span> and specialised proteins like </span>osteocalcin<span> and </span>osteopontin. These are then the most important constituents of the bony matrix.
