A newborn baby has approximately 305 bones because a baby skeleton is mostly cartilage. As a person grows up, most of this cartilage turns into bone in a process called ossification. By the time they grow up, they have only 206.
Hope this helps!
The amount of time it'll take to grow back depends on you but the hat would work
I think that having a strong friendship in early in life is more important. When you are young, in my opinion, is when one needs the most support.
Chemotherapy. I’m. It sure but hope this helps