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The brain can survive for up to about six minutes after the heart stops. The reason to learn cardiopulmonary resuscitation (CPR) is that if CPR is started within six minutes of cardiac arrest, the brain may survive the lack of oxygen. After about six minutes without CPR, however, the brain begins to die.

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โˆ™ 2017-07-13 19:16:03
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Q: How long can the brain go without oxygen to where you wont wake up?
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Related questions

Does yawning mean your tired?

Yes , when you yawn you take a slow and deep breath that brings more oxygen to the brain. the oxygen gives your brain cells a little wake up call.


Why sometimes do you yawn when you wake up?

Your brain is deprived of oxygen, which triggers your dighram to flex causing a yawn.


SOMETIMES at random times when i smoke weed my vision will get spotty and then go completely black and i will get super heavy pass out wake up my vision will clear up and i will feel really high?

This is most likely oxygen deprivation. Don't hold your breath for so long; anything above 10 seconds is useless. Cannabis doesn't kill brain cells, but starving your brain of oxygen does. Passing out from oxygen deprivation is EXTREMELY unhealthy.


When someone says in a song comatose I'll never wake up with out it what does that mean?

comatose is a medicine that helps with healing brain damage. in that skillet song he implies he wont wake up without the medicine


Does breathing kill brain cells?

On the contrary. The brain needs three things to survive: blood, oxygene and glucose. You must have noticed that when you are tired or sleepy and you go outside to get some fresh air you wake up. That's because more oxygen is sent to the brain.


What to use or do to relax your brain without weed?

Every night take some sleeping pills that relax your brain but ,akes you feel you slept longer,you wont wake up tired and ur brain will function beter due to its rest.


How do you wake up your brain in just one minute?

Breathe deeply! Most of the time, when you are bored, your brain is not getting enough oxygen. If you can, stand up and stretch - exercise also makes more blood go to the brain (and other body parts) - don't do this if you are supposed to be sitting quietly in class, though!


Why is it impossible to commit suicide by holding your breathe?

Yes it's impossible to because after you Pass out from lack of oxygen you start to breathe normally again because your brain is functioning properly again and then you wake up


What is the difference between wake up and get up?

We can wake up without getting up, but only sleepwalkers can get up without waking up. We can wake up without getting up, but except for sleepwalkers, we cannot get up without waking up.


How does music affect the brain?

When a person hears music, it sends a signal to the brain, which in turn begins to "wake up" certain segments in the brain.


When is it best for the brain to listen to music?

as you wake up from slumber


Why do people have to go pee when they wake up?

Unless your bladder is really full, the need to pee doesn't interfere with your need to sleep. When you wake up, your brain realizes that it now needs to pee. Sometimes you need to go so urgently that you wake up anyway. Your bladder is screaming, "WAKE UP! WAKE UP!". But for some people, their brain doesn't hear this desperate cry for help. And those people wake up to a damp bed.


Why doesn't my snoring wake me up?

You are probably just accustomed to it -- if you have been snoring for a long time your brain has learned that it is ok to keep sleeping through the sound of your snoring. It is possible that your snoring does wake you up sometimes but that you don't realize that it is the snoring that woke you up -- don't forget, you stop snoring when you wake up.


How to wake up a sleeping puppy?

Gently stroke or pet it This will wake it without starling it.


You get up or wake up?

Sleepwalkers get up without waking up & sleepyheads wake up without getting up. Take your pick!


Why do Olympic athletes yawn before competition?

it is believed to be a way for the body to bring in more oxygen and rid itself of load of carbon dioxide. Other theories suggest that we yawn to wake up, or to induce relaxation. Read more at Suite101: Yawning and Brain Health: A Yawn Provides Oxygen, Stimulates Brain, Helps in Changing Energy http://naturalmedicine.suite101.com/article.cfm/yawning_and_brain_health#ixzz0fTPYZXqW


What part of brain controls the sleep wake cycle?

Suprachiasmatic nucleus of the hypothalamus


Can you wake up after suffocating?

Yes, people do wake up after suffocating. Suffocation is however a very fatal as the inhalation of oxygen is usually cut off.


Should you faint for fun?

No Never that could cause you to go to the hospital and have them check you all over. and you might never wake up again.. whrn you faint this stops the oxygen getting to your brain to make your vital organs work.. so maby sme day you miht ha done it far to much and never wake up. i DO NOT recomend it!


What wake us up?

The hormones, adrenocorticotropin or the ACTH from pituitary gland and the cortisol from adrenal gland, send a message that alerts the brain to wake us up.


How did people wake up in the morning without electricity?

They woul either use a rooster, wake up from the sunlight, or someone else would wake them up.


Purpose of religious music?

To wake up your emotional brain and shut off your logic.


What is the bodies wake up pill?

There's no single factor to wake us up, but a burst of cortisol (a hormone seen in stressful situations) rises around the time we wake up. Other factors may be released in the mid-brain that trigger neurological processes to wake us up.


Can you get the contraceptive implant fitted without being a wake?

No


What does almost every house have that will last about 50 years?

If you are reffering to the 107.9 wake up call wake up your brain question on November 21, 2008 then the answer would be toilets

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