Physicians and surgeons have demanding education and training requirements. Almost all physicians complete at least 4 years of undergraduate school, 4 years of medical school, and, depending on their specialty, 3 to 8 years in internship and residency programs.lmost all physicians complete at least 4 years of undergraduate school, 4 years of medical school, and, depending on their specialty, 3 to 8 years in internship and residency programs.
The throat and esophagus. As seen in the picture, the mouth is connected to the stomach through the throat and the esophagus.
Esophagus (or oesophagus or gullet) is a muscular tube connecting the throat (pharynx) with the stomach. During swallowing food travels from the mouth through the pharynx into the esophagus and to the stomach by peristaltic contraction of the esophagus.hat is Esophagus? A magic tube connecting the mouth to stomach, its help moves the food from the mouth to stomach and stops reverse motion from the stomach.