MUSCULAR CONTRACTIONS
>
> A Professor was giving a lecture on "Involuntary Muscular
> Contractions" to his first year medical students.
>
> Realizing that this was not the most riveting subject, the Professor
> decided to lighten the mood slightly. He pointed to a young woman in
> the front row and said,
>
> "Do you know what your asshole is doing while you're having an
orgasm?"
>
> She replied, "Probably deer hunting with his buddies."
>
> The professor laughed so hard he could not continue with the class.