Physical fitness can be obtained by taking healthy foods and nutrients (including micro nutrients, macro nutrients and minerals)
A state of well being which ensures sufficient capacity and energy to do a variety of physical activities without undue fatigue is known as Physical fitness
Metabolism is a self of life-sustaining chemical transformation within the cells of living organisms. These enzyme-catalyzed reactions allow organisms to grow and reproduce, maintain their structure and respond to their environment.
Macronutrients are composed in larger quantities and provide energy in the form of calories and help in the growth and development of human body macronutrients are divided into carbohydrates proteins and fats and oils
Food is composed of different chemical elements arranged in a variety of ways to form molecules these molecules collectively give invisible food their flavor, color, and texture and affect their reaction to heat and their digestion