First-year students at Med School were receiving their first anatomy class with a real dead human body. They all gathered around the surgery table with the body covered with a white sheet.
The Professor started the class by telling them, "In medicine, it is necessary to have "two" important qualities as a doctor: The first is that you must not be disgusted by any-thing involving the hunman body."
For example, the professor pulled back the sheet, stuck his finger in the butt of the corpse, withdrew it and stuck it in his mouth. "Go ahead and do the same thing," he told his students.
The students freaked out, hestitated for several minutes, but
eventually took turns sticking a finger in the butt of the dead
body and sucked on it.
When every-one finished, the professor looked at them and told them, "The second most important quality is observation. I stuck my middle finger and sucked on my index finger.
NOW LEARN TO PAY ATTENTION!!!