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RE Athletic Sauropods and Air Sacs]
Explode, not implode......ie using your lung pressure to inflate a balloon,
for example.
This is why it's absolutely imperative to not hold your breath when
surfacing on scuba equipment...the alveoli tear........and if you want to
sneeze or cough look out!
So I don't see pressure inflated necks as a possible solution.. I can't
imagine lung strength/structure varying *that* much between species....
cheers, martin