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Rapid Tone Food is the body's fuel source. The nutrients in food give the body's cells the energy and other substa...
Rapid Tone Food is the body's fuel source. The nutrients in food give the body's cells the energy and other substances they need to operate. But before food can do any of these things, it has to be digested into small pieces the body can absorb and use. The digestive system consists of the parts of the body that work together to turn food and liquids into the building blocks and fuel that the body needs. Almost all animals have a tube-type digestive system in which food enters the mouth, passes through a long tube, and exits as feces (poop) through the anus. The smooth muscle in the walls of the tube-shaped digestive organs rhythmically and efficiently moves the food through the system, where it is broken down into tiny absorbable nutrients.