So I’m riding my bike up a hill, huffin & puffin. Then I think: ‘this respiratory system of mine is fucked and it’s holding me back.’ more after the hump
Every time I breath out, it’s just going right in front of me which is where about about to be. If I’m going slow enough (like a fatigued speed up a hill), I become convinced that most of what I’m breathing in is what I just breathed out. I purposed that we have a one way system with an IN hole and an OUT hole…. but it looks like birds have a good thing going on.
Birds have one of the most efficient air sack workings. Why shouldn’t they? They’ve evolved to be able to maintain flight over long distances at high altitudes where there is very little oxygen.
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Sometime in the near future, the Human Genome Project might have a hay-day incorporating your feathered eugenic sensibilities. I know I was tickled by the second diagram. If looking seriously into lung expansion, I suggest taking tips from some Nihon oyster divers.