In this story, Mars is totally inhabited by women Would she die from lack of oxygen/suffocation or lack of pressure/boiling fluids?
closed as unclear what you're asking by kingledion, rek, Renan, Tim B II, L.Dutch - Reinstate Monica♦ Nov 20 '18 at 6:28
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Exactly the same thing as would happen to a man.
A human can survive between 15 and 90 seconds of exposure to hard vacuum. However, this is not without consequences. Exposed skin will suffer severe damage to capillaries due to ebullism, and any moist surfaces such as the eyes will be desiccated due to evaporation of fluids.
Most importantly, if you attempt to hold your breath, the pressure of the air expanding in your lungs will cause them to rupture. If you do not have a lungful of air, suffocation will shortly follow.
One thing to note, is that you will not freeze. Vacuum is unable to conduct, nor convect heat. That leaves radiation, which humans aren't very good at. Vacuum will not cause you to lose much heat at all.
She would suffocate and NO holding breath will not help. So she will have 10s-20s to get air back in her lungs or she will faint. After that you have 5 min to help her or she is dead or vegetable. After 3 min she is most likely dead from damage done.
About freezing. Yes, vacuum does not conduct heat, but your boiling fluids will take heat from your body.
Not something I would like to taste: to boil, get desiccated and freeze all that while I suffocate and feel like some parts of me want to explode(you will baloon to like twice your size) and you just vomited, deficated and urinated your soon-to-be-corpse.