WONDER #1597: How Do Bones Grow?

Question 1 of 3

The process by which cartilage calcifies into bone is called what?

1. calcification
2. mineralization
3. ossification
4. bonification

Question 2 of 3

Which specialized cells produce collagen fibers and help to collect calcium to promote bone growth?

1. osteoblasts
2. chromatophores
3. marrowcytes
4. collatocytes

Question 3 of 3

About how many more bones do babies have compared to when they’re adults?

1. 10
2. 25
3. 50
4. 100

Check your answers online at https://wonderopolis.org/wonder/how-do-bones-grow.