<span>There are 13 vitamins used by the body to maintain health. These are: vitamin A, vitamin C, vitamin D, vitamin E, vitamin K and vitamins B1, B2, B3, B5, B6, B7, B9 B12. Vitamins A, D, E and K are stored in fat, and the others are water soluable. As a result these vitamins must be regularly replaced.</span>
When new information or experiences cause you to modify your existing schemes.
Different genes control the development of different characteristics of an organism.
An MRI is needed when doctors think there is inflammation, a tumor, or something medically wrong with the brain that we can't see on the outside.
