You need to read this article. It will be helpful in making your decisions. http://sitn.hms.harvard.edu/flash/2013/ … uman-body/
Also look up info on decompression sickness. It normally happens to divers, but the loss of pressure in the cabin would make the kids susceptible to this as well.
I'll give you a quickie course on reviving someone from near-death, but I don't have the time at work right now. Give me a day or so and I'll be glad to oblige.
Thanks for the link. Also, I`ll check out decompression sickness. It's been a while since I researched it. There's a lot of cracy stuff one researches for a simple space opera. Sheesh!