The digestive system is a group of organs that break down food into smaller parts so that the body can absorb nutrients. It includes the mouth, esophagus, stomach, intestines, liver, and pancreas.Work of the Digestive SystemBreaking food into nutrients like proteins, carbohydrates, and fatsAbsorbing nutrients in the small intestine into the bloodstreamRemoving waste through the large intestineWithout the digestive system, the body can’t get the energy it needs to grow, move, or repair itself.