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.
ANSWER   The esophagus is the conduit between the mouth and the stomach. It contains a muscular wall that can contract rhythmically to propel food from the mouth on down, â¦ a process called peristalsis. The esophagus is like a muscular tube about 25 cm long between the throat and the stomach.