Re: Centripetal Forces on a Horizontally Grazing Sauropoda

["David Marjanovic" <david.marjanovic@gmx.at>]

> And I would not rule out a primitive lung in the head
> that would provided CO2/O2 exchange across the
> bladder membrane with or without a second one in the chest.

But I would -- due to the rather pathetic size of the head. A neck full of
air, yes, but a lung in the head, no.