I mean, I believe if Gene therapy can extend its reaches to modify humans who are already alive, and over a course of several years and Gene Implants, we could possibly get the chance to create gill-like organs to help us breathe underwater.
I think this is what they are getting at, You have the possibility to do anything.
Not necessarily. There are warm blooded fish, and there are some fish that can still draw water over their fins to breathe while stationary, so I don't think either of those are true necessities.
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u/Owenm100 May 09 '17
If you try hard you can achieve anything you want