How long can someone hold their breath in space?

At most, an astronaut without a suit would last about 15 seconds before losing conciousness from lack of oxygen. (That’s how long it would take the body to use up the oxygen left in the blood.) Of course, on Earth, you could hold your breath for several minutes without passing out.

What happens if you inhale in space?

Upon sudden decompression in vacuum, expansion of air in a person’s lungs is likely to cause lung rupture and death unless that air is immediately exhaled.

What happens if you hold your breath for 15 minutes?

Holding your breath too long can have some side effects , including: low heart rate from a lack of oxygen. CO₂ buildup in your bloodstream. nitrogen narcosis, a dangerous buildup of nitrogen gases in your blood that can make you feel disoriented or inebriated (common among deep-sea divers)

What would happen if you hold your breath in space?

Holding breath in space leads to high amount of pressure difference and they might pop just like balloons, forcing fatal air bubbles into blood stream. Apart from this even if you expel enough air out to survive, the other problems include : ebullism – decrease in the boiling point of body fluids under low pressure conditions.

How long can a human stay conscious in space?

If you ever find yourself exposed to the near vacuum of space, so long as you don’t try to hold your breath, which would result in your lungs rupturing and thus pretty well guaranteed that the incident would be fatal, you’ll likely remain conscious for about 10-15 seconds, with perhaps half that being useful consciousness.

Can You Hold Your Breath with no air in your lungs?

Once you evacuated your lungs you could try breathing in and do the motions of holding your breath but there would be nothing in your lungs. You could probably keep your mouth closed and you could still cycle your diaphragm and chest muscles through their breathing cycle and since there is no air in your lungs it wouldn’t matter.

How long would your body last in space without air?

Whichever the condition, though, your body would last for a very, very long time without air to facilitate weathering and degradation. Your corpse could drift in the vast expanse of space for millions of years.