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.
The stomach is connected to the: esophagus - a tube-like organ that connects the mouth and throat to the stomach. small intestine (small bowel) - a long tube-like organ that extends from the stomach to the colon (large intestine or large bowel) duodenum - the first section that connects to the stomach.