The expressed powers of the President are those expressed in the Constitution of the United States. Article Two of the United States Constitution creates the executive branch of the government, consisting of the president, the vice president, and other executive officers chosen by the president.
The small intestine is the 'work horse' of digestion, as this is where most nutrients are absorbed. Peristalsis is also at work in this organ, moving food through and mixing it up with the digestive secretions from the pancreas and liver, including bile.he food then enters the esophagus. The esophagus is a muscular tube extending from the pharynx and behind the trachea to the stomach. Food is pushed through the esophagus and into the stomach by means of a series of contractions called peristalsis.
Human organ systems. Humans have nine major organ systems which make the seven life processes: 1) The Digestive System. Digestion breaks down food into simpler substances so it can be used and absorbed into the body.It takes place in the alimentary canal, (food tube), mainly in the stomach and small intestine. Digested food is absorbed into the blood system.umans have nine major organ systems which make the seven life processes: 1) The Digestive System. Digestion breaks down food into simpler substances so it can be used and absorbed into the body.