Question

Participating in regular exercise lengthens bones in the body decreases bone density in the body has no effect on bones in the body strengthens bones in the body

Answer 1

the answer is to strengthens bones in the body

Answer 2

Weight-bearing physical activity causes new bone tissue to form, and this makes bones stronger. This kind of physical activity also makes muscles stronger. Bones and muscles both become stronger when muscles push and tug against bones during physical activity.