food, consisting essentially of , , , and other used in the body of an to sustain and vital processes and to furnish . The absorption and utilization of food by the body is fundamental to nutrition and is facilitated by . , which convert to food by , are the primary food source. that on often serve as sources of food for other animals. To learn more about the sequence of transfers of matter and energy in the form of food from organism to organism, see .Do different parts of the tongue taste different flavors?The “tongue map” locates taste receptors for sweet, salty, bitter, and sour flavors on different parts of the tongue.(more)See all videos for this articleHunting and gathering, , pastoralism, and the development of are the primary means by which humans have adapted to their environments to feed themselves. Food has long served as a carrier of in societies and has been a driving force for . This was especially the case during the early phases of European trade and colonial expansion, when foods such as the hot red , (maize), and spread throughout to Africa and Asia., Food is any substance consumed to provide nutritional support and energy to an organism. [2][3] It can be raw, processed, or formulated and is consumed orally by animals for growth, health, or pleasure. Food is mainly composed of water, lipids, proteins, and carbohydrates. Minerals (e.g., salts) and organic substances (e.g., vitamins) can also be found in food. [4] Plants, algae, and some , Love Food Network shows, chefs and recipes? Find the best recipe ideas, videos, healthy eating advice, party ideas and cooking techniques from top chefs, shows and experts..