Vitamin D3, also known as cholecalciferol, comes from fortified foods, animal foods (fatty fish, cod liver oil, eggs, and liver), supplements, and can be made internally when your skin is exposed to ultraviolet (UV) radiation from the sun. Structurally, these two are not the same.
Definition of mind for Students. 1  1 : the part of a person that thinks, reasons, feels, understands, and remembers. 2  2 : memory 1 Keep my advice in mind. 3  3 : intention 1 I changed my mind. 4  4 : a person's view or opinion about something Speak your mind.
Body, mind and soul are all inter-related: the body is made up of matter; the mind is part brain (visible) and part invisible because it's your thinking process, your thoughts, your feelings, and so includes your deepest 'heart' aspects; the soul is that which makes you an individual, the 'I' part, who you are or consider yourself to be.