Why Does an Adult Not Have as Many Bones as a Child

Multiple Choice

Why does an adult not have as many bones as a child?

A) Osteoporosis leads to bone loss with age.
B) Some separate bones gradually fuse with age.
C) Many bones are replaced by cartilage with age.
D) Bones are reabsorbed with age.
E) Osteoclast activity overcomes osteoblast activity with age.