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.
Imagination refers to the process of forming images or concepts in the mind, often images of things that are not really there. That shark in your bathtub must have been in your imagination â or was it? Often shunned for living in a dream world, imagination is behind unicorns, Big Foot, and excessive daydreaming. But itâs humansâ ability to picture what is not there, and to be resourceful and creative, that is behind many of our achievements.