Sentence Completion
In the space provided, write the word.
11.____are immature bone cells that create new bone.
12.____are cells that digest old bone in prepara-
tion for new bone growth.
13. The process of bone hardening is called____
14._____is the process of blood formation.
15. The fibrous bands that attach bone to bone are_____
16. The_____
is commonly known as the shaft of are long bone.