Question

What are the functions of vitamin A,vitamin C, vitamin D and its source and functions in human body

Answer 1

vitamin A - functions : for normal growth and keeps the eyes and skin healthy 
                  sources - milk , butter , eggs , tomatoes, cod-liver oil , and green                         leafy vegetables 
                    deficiency disease : NIGHT BLINDNESS 
vitamin C - functions : for healthy growth and strong blood vessels 
                   sources: amla , tomatoes , green leafy vegetables , citrus fruits ,                          and water chestnut 
                      deficiency disease : SCURVY
vitamin D - functions; helps to use calcium for formation of strong bones and                     teeth  
                   sources : sunlight , milk , butter , green vegetables , and cod-                         liver  oil  
                    deficiency disease- RICKETS 

Answer 2

Hope this will helpful for u...