It is necessary for normal functioning of nerves, cells, muscle, and bone. If there is not enough calcium in the blood, then the body will take calcium from bones, thereby weakening bones. Vitamin D helps your body absorb calcium and phosphorus. Having the right amounts of vitamin D, calcium, and phosphorus is important for building and keeping strong bones.
Scroll down for video. 1  Family ties: George Clooney joins his parents Nina and Nick, to the left of him, and sister Adelia, next to him, as he donates costumes from his hit movies to the Rosemary Clooney House Museum in his hometown of Augusta, Kentucky.
His father, Robert Downey Sr., is an actor and filmmaker, while his mother, Elsie Ann (nÃ©e Ford), was an actress who appeared in Downey Sr.'s films. Downey's father is of half Lithuanian Jewish, one-quarter Hungarian Jewish, and one-quarter Irish descent, while Downey's mother had Scottish, German, and Swiss ancestry.