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.
Email Article. Esophagus. The esophagus is a small hose-like tube, which connects the mouth to the stomach. As it leaves the mouth, the esophagus follows a straight path through the neck and chest, passing near the heart through the diaphragm muscle and finally entering the stomach.
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.