How do ultraviolet rays your bones and teeth

Ultra violet rays help the bones and teeth in becoming stronger as it provides calcium for them.

It also gives out Vitamin-D which is again essential and helpful for the body in order to get stronger and healthier.

Vitamin D also ensures calcium supply and is thus essential for the maintenance of skeletal health.

It also ensures the calcium absorption in bones and teeth. So UV rays are quite helpful for the bones and teeth.