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.
Oral cavity (or buccal cavity) above and (gastric cavity) stomach below. The pharynx (just behind the tongue) at one end, and the stomach at the other. With the lungs hung in the middle. oESOPHAGUS CONNECTS BUCCAL CAVITY TO STOMACH.