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About 4 minutes. After One-Two minutes the person will be passed out from lack of oxygen. After 4 minutes, depending the case, he/she will have no more oxygen therefor unable to function properly and then... DEAD
2 hours.
31 to 45 days
24 hours
it would take three months to get any and all drugs out of your system
Oxygen is needed to keep the brain functioning. Once the oxygen is cut off, in a matter of seconds a person and pass out.
forever.... cause plnts needs carbon dioxide.....
Outside of a spacecraft, you won't be able to light it in the first place, for lack of oxygen.
i heard it was lack of oxygen. don't take my word for it though
About 4 minutes. After One-Two minutes the person will be passed out from lack of oxygen. After 4 minutes, depending the case, he/she will have no more oxygen therefor unable to function properly and then... DEAD
Clothes oxygen mask
Mammals take in oxygen from the air they breathe. High concentrations of oxygen in the lungs replenish the oxygen-poor red blood cells that pass through. The cells then carry the oxygen through the body.
Well... everyone is different but i wouldn't hold a little boy in a choke hold for very long. Oxygen will need to travel to his head and if it's unable to he can pass out.
24 hours
months to years
You can take in flight a portable oxygen as long as approved by FAA and also the plane you were boarding is also allowing you to travel with oxygen while your on flight.
This is called aerobic exercise. All aerobic activity requires oxygen.