College Professor to a girl

Medical College Professor to a girl
student :
"Which human body part expands 5
times its normal size ?"
.
Girl Student: "Sir I can't answer this
question, it's too embarrassing.
.
.
Professor asked the same question to
a Male Student."
.
Male Student: "It's the Pupil of an human eye."
.
.
Professor : "Correct."
.
.
.
Then Professor turned to the female
student and said, "Listen baby,
Not
only your thinking is wrong but your
expectations are also very high...."!!!