<prompt> Which among the following doesnt have a role in regulating Vitamin D metabolism?LiverLungsKidneySkin  <response>: ANSWER: B LungsREF: Guyton physiology 11th edition page 983Cholecalciferol Vitamin D3 Is Formed in the Skin.Cholecalciferol Is Converted to 25-Hydroxycholecalciferol in the Liver.Formation of 1, 25-Dihydroxycholecalciferol takes place in the Kidneys 