The human body is the entire structure of a human being. It is composed of many different types of cells that together create tissues and subsequently organ systems. They ensure homeostasis and the viability of the human.

The mind is a set of cognitive faculties including consciousness, perception, thinking, judgement, and memory. It holds the power of imagination, recog-nition, and appreciation. It is responsible for processing feelings and emotions.

A vitamin is an organic compound that an organism requires in limited amounts. Some must be obtained through the diet; thus, the term vitamin is conditional upon the circumstances and the particular organism.

A nutrient is a component in foods that an organism uses to survive and grow. Macronutrients provide the bulk energy an organism's metabolic system needs to function while micronutrients help with metabolism.