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 esophagus connects the pharynx to the stomach. In the conjunction between the pharynx, esophagus, and the larynx (windpipe), the larynx is covered by a flap of cartilage c â¦ alled the epiglottis to prevent food from traveling into the lungs.