Talk:Air Bladder/@comment-68.147.244.168-20150811065519/@comment-196.210.182.9-20150822144007

As a real-life diver, putting air into a sac as described would work as air expands while on it's way to the surface, which speeds up the acent. It's not used though because, one would die. Blood turns into Enos as the air in blood expands and ruptures every blood cell, not pretty. It's impossible to have something like you're suggesting.