And we should remember also that great Irish explorer; Mark O'Polo.
Q. What goes in hard and dry and comes out soft and sticky?
A. A stick of chewing gum.
Q. What part of the humen body can expand to ten times it's normal size when stimulated?
Wait for it...
A. The pupil of the eye.
If you thought it was something else, you are in for a terrible disappointment.