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[–] 2 points 4 weeks ago (4 children)

There's another tube from one nostril to the other, and that joins the main tube, so really humans are just tubes with four ends.

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  • [–] 5 points 4 weeks ago (3 children)

    Alas, discussions of the topology of humans always miss the existence of pores.

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  • [–] 1 point 4 weeks ago (2 children)

    Skin is water resistant. Is a pore a hole?

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