Comment by ultimatt42 on 23/07/2014 at 15:16 UTC

28 upvotes, 2 direct replies (showing 2)

View submission: xkcd: Snake Facts

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Uh sure, in the same way that a tunnel goes outside a mountain...

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Comment by AndrewCarnage at 23/07/2014 at 19:47 UTC

8 upvotes, 0 direct replies

It is not sterile and connects to the outside world via the mouth and anus. The rest of the body is sterile and does not connect to the outside world (apart from the surface). The digestive tract has more in common with the outside of your body than the inside.

Comment by Pseudoboss11 at 23/07/2014 at 15:50 UTC

7 upvotes, 2 direct replies

If you're under an arch, you're under an arch, you're not in the arch.