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Re: Unidirectional gator breathing in Science

--- On Sun, 1/17/10, David Marjanovic <david.marjanovic@gmx.at> wrote:

> >  More to the point -- is
> the usual implied assumption in these
> >  discussions (that air sacs cannot be voluntarily
> deflated enough to
> >  affect buoyancy) a safe one?

> That would be to exhale, 

OK, I got that part...

> and thus equal to holding your
> breath while in deep water, 

Hate to be dense, pun intended, but huh?

> which is exactly what you're not
> arguing.

...and double-huh? Sorry, but I don't follow...