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Well, there’s the one obvious one - mouth through to the anus, there may be more openings to that hole, but I don’t believe any of them go all the way through.

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thebestaquaman@lemmy.world ⁨9⁩ ⁨hours⁩ ago
Two more out the nose

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- sroos@lemmy.world ⁨9⁩ ⁨hours⁩ ago
  They go through the same hole as the mouth in the end, though. At least a part of them…
  
  I think I said in another comment that I’m not an actual expert on this matter. So there may well be more holes in this theory, and person.
  
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  - thebestaquaman@lemmy.world ⁨4⁩ ⁨hours⁩ ago
    
    They go through the same hole as the mouth in the end, though.
    
    Yes, but they’re distinct openings, which means we’re not topologically equivalent to a doughnut when you take them into account. Topological equivalence implies that you can transform one object into another without changing the number of openings. Classic example is a doughnut and a coffee mug (the handle of a coffee mug is the opening). A human would be equivalent to a doughnut with two holes poked through the side into the middle.
    
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ArmoredThirteen@lemmy.zip ⁨9⁩ ⁨hours⁩ ago
That changes the topology though. It does go all the way through a section which prevents it from reshaping into a straw/donut

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- sroos@lemmy.world ⁨9⁩ ⁨hours⁩ ago
  Yes. I’m afraid I’m not a real topologist, so we’re at their mercy. Let us pray they don’t come up with new holes.
  
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  - Ravell@lemmy.ml ⁨4⁩ ⁨hours⁩ ago
    Donut be afraid my fellow fleshtube.
    
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  - gnutrino@programming.dev ⁨7⁩ ⁨hours⁩ ago
    
    I’m afraid I’m not a real topologist
    
    But you are topologically equivalent to one!
    
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