Lurid science fiction stories sometimes dramatize a deep-space event known as \"

Question

Lurid science fiction stories sometimes dramatize a deep-space event known as "explosive decompression": The villain ejects an innocent victim, without a spacesuit, from a spaceship's airlock, and the victim's eyes bug out and then he or she explodes. Such an event is enacted on the nearly airless surface of Mars in the Schwarzenegger film Total Recall. These scenes are inaccurate, but if you are suddenly ejected into space, you should be concerned about the danger of a sudden expansion of a substance in your body. What is this substance?

Explanation / Answer

Because there is no air pressure to keep your blood and body fluids in a liquid state, the fluids would "boil." Because the "boiling process" would cause them to lose heat energy rapidly, the fluids would freeze before they were evaporated totally http://science.howstuffworks.com/question540.htm

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