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dinosaur inspiration



 DARREN NAISH wrote: 

> Just about everyone is familiar with the arguments presented here:
> that dinosaur nasal passages are simply not big enough in
> cross-sectional area to allow the high lung-ventilation rates employed
> by tachymetabolic tetrapods, nor do RT 'fit' into these

So why can't they breathe thru their mouths as do lots of fast moving 
mammals (horses, cattle, humans)?

martin