Question

Explain why weight-bearing activities build better bones.

Answer 1

they did this weight-bearing exercises. these exercises include activities that make you move against gravity while staying upright. weight-bearing exercises help build bones and keep them strong. If you have broken a bone due to osteoporosisor are at risk of breaking a bone, you may need to avoid high-impact exercises!

Answer 2

Weight-bearing exercises. these exercises include activities that make you move against gravity while staying upright. ... high-impact weight-bearing exercises help build bones and keep them strong. If you have broken a bone due to osteoporosisor are at risk of breaking a bone, you may need to avoid high-impact exercises! 

is this ok? >.<