Vitamin d is unique in that it can be obtained by the diet but also is synthesized inside the body when a cholesterol-like substance is activated by sunlight and converted to the prohormone vitamin d. check all of the organs that participate in vitamin d synthesis as a result of sunlight exposure: check all that apply

The two organs that serve as sites of active vitamin D synthesis are the Kidneys and liver. Vitamin D is an example of a fat soluble vitamins together with vitamins A,E and K ( these are vitamins that travel with dietary fats through the blood stream, vitamins that are stored mostly in the liver and fatty tissues). The other group of vitamins are water soluble, such that they are readily excreted from the body, they are easily lost during food processing and preparation, and vitamins that include the vitamins B and vitamin C. 

Brother ur in collage do it yourself or i will tell prof. mike

This type of galaxy is an approximately ellipsoidal shape and a smooth, nearly featureless image. they are the largest single star systems, in the universe and are built by the collisions of many smaller galaxies.