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.
Mindset is who you really are at your core. Itâs your habitual way of thinking. While itâs not easy to change, the purpose of life is to evolve and become better a human being. So you should think about these human qualities from time to time and always endeavor to do better.