Nutrition: it is what every living being needs to survive. In the animal kingdom, food is necessary for growth and to obtain energy used by organs and tissue. In the plant kingdom, plants capture and convert the sun’s energy directly using the process of photosynthesis. Learn all about water, carbohydrates, fats, proteins, minerals, vitamins, digestion phases, digestion characteristics, and how each of these elements facilitates survival. Plus, discover how various foods help each part of our bodies function.