Compare and contrast controls of bone remodeling exerted by hormones and by mechanical and gravitational forces, including the actual purpose of each control system and changes in bone architecture...

Compare and contrast controls of bone remodeling exerted by hormones and by mechanical and gravitational forces, including the actual purpose of each control system and changes in bone architecture that might occur.

(a) During what period of life does skeletal mass increase dramatically? Begin to decline? (b) Why are fractures most common in elderly individuals? (c) Why are greenstick fractures most common in children?