Food is a substance, usually derived from animals or plants, eaten by living beings getting their energy and nutrients. The liquid used for this purpose is often called a drink, but the word 'FOOD' can also be used. This term is sometimes used with figures, such as "food for thought". Food sufficiency can be assessed with anthropometric nutritional status.
Foods that people need are usually obtained from farming or gardening products that include animal sources, and plants. Some people refuse to eat food from animals such as meat, eggs, and others. Those who do not like to eat meat, and the like are called vegetarians - people who eat only vegetables as their staple food.
In general, food ingredients contain several elements or compounds such as water, carbohydrates, proteins, fats, vitamins, enzymes, pigments and others.
Every living thing needs food. Without food, living things will be difficult in their daily activities. Food can help humans in getting energy, helping the growth of body and brain. Eating nutritious foods will help human growth, both brain and body. Each food has a different nutrient content. Protein, carbohydrates, and fat is one of the nutritional examples to be obtained from food.
Each type of nutrition has a different function. Carbohydrates are a source of daily energy. One example of foods containing carbohydrates is rice. Proteins are used by the body to aid growth, both brain and body. Fat is used by the body as a food reserve and as an energy reserve. Fat will be used when the body lacks carbohydrates, and fat will break down into glucose that is very useful for the body when it needs energy.