riddle

[manike]

Your intestine.

[bjjb99]

The lining of your lungs.

BJJB

[Brak]

i was thinking your veins, but they could go around the world if they were lined up, but i think manike hit the nail on the head

[manike]

Originally posted by bjjb99
The lining of your lungs.

BJJB

Ah you might be right... I remember it being one of the two.

Both have a phenomenally large surface area.

[Python14]

I heard it on the radio and got it the first try....JOHN BOY AND BILLY!

[-J�ker-]

i was thinkin skin at firts....

[jwyke]

Yeah, but who would want to take the time to "unfold" the lungs. ---- Talk about too much time on your hands!
I wonder who first thought, "Hey I wonder how big the lungs would be if you laid them out completely flat?"

BTW, I penguins sig is hilarious.