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While we're on the topic, we all have very slightly webbed digits, multiple involuntary reflexes for when we get wet, and a nasal/respiratory system that is (partially) adapted to swimming. I wonder how far our DNA could be pushed to pad out what was started here?
Our throat region seems poorly thought out. As somebody said recently, tube food goes in or you die is right next to tube food must never block or you die.
The fact that billions of us still get that right hundreds of times a day is honestly pretty fucking insane, with how delicate that whole setup is
Sometimes when I'm chewing a mouthful of food in the car it occurs to me that if I suddenly get in a wreck I will have no control over my gasp reflex.