How penis erection occurs

[Extremist]

<iframe width="853" height="480" src="http://www.youtube.com/embed/bJOru3mfjN8" frameborder="0" allowfullscreen></iframe>/////////////

 

[ykhuser]

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cannot watch.
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enter 8 times....already still counting

 

[bushtucker]

sounds like the video was narrated by professor robert winston. you should also watch "Child of our time", a fascinating insight on child psychology between the ages of 0 months to 20 years.

 

[crackhead]

aiyah, why so short?........I mean the video, not the image.....