Respuesta :
Answer:
1. Kidneys
2. Skin
3. Liver
Explanation:
- Vitamin D is a group pf fat soluble vitamins particularly important for the intestinal absorption of calcium, iron and magnesium.
- Vitamin D regulates the absorption of calcium into the intestines and bones, promotes bone formation and normal function of the parathyroid gland.
- Vitamin D is synthesized and activated in three steps:
- The skin synthesizes Vit D upon exposure to sunlight. However, this form of Vit D, cholecalciferol is not biologically active.
- Cholecalciferol is modified to 25hydroxycholecalciferol in the liver.
- The final hormonally active form 1,25 dihydroxycholecalciferol is produced in the kidneys.