1 Related Resources Above-Knee Amputation Lower-limb amputation is a surgical procedure performed to remove a limb that has been damaged due to trauma or disease. 2  Find a PT Search our national database of physical therapists.
Food is moved through the pharynx and then enters the esophagus. This is the muscular tube that connects the throat to the stomach. Your esophagus is about 10 inches long, and it acts only as a passageway for food and drink. The esophagus passes behind the airway to the lungs and in front of the spinal column. It pierces the diaphragm before reaching the stomach. Food moves through your esophagus by a wavelike series of muscular contractions called peristalsis.
Food enters the digestive system through the mouth. This process is called ingestion. Once in the mouth, the food is chewed to form a ball of food called a bolus. This passes down the oesophagus and into the stomach. Food is moved through the digestive system by a process called peristalsis.