FEET AND THE CABIN DEPRESSURIZES YOU CAN HAVE OXYGEN IF YOU'RE AT 100000 FEET YOU DIE IN SIX SECONDS YOU'VE LOST CONSCIOUSNESS IN 10 SECONDS YOU'RE DEAD YOUR BLOOD TRIES TO BOIL IT'S CALLED VAPORIZATION THE BODY SWELLS UP IT'S AWFUL AND SO WE EXPECT IT'S NOT MUCH FUN