0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
What happens to the brain after 4-5 mins of no breathing?
If the 4-5 minutes of no breathing means 4-5 minutes of no oxygen in the brain then it will lead to necrosis or tissue death. The brain will start to degenerate and die.
How long does it take to receive brain damage or even die if the the body is not receiving oxygen?
Brain damage start to occur at around 4-6 minutes in someone who's not breathing.
How long does it take for your brain to decay?
After death, the brain cells can start to decay within minutes if deprived of oxygen. However, the brain tissue itself can remain intact for hours before significant decay occurs, depending on factors like temperature and environment.
How much of a reserve of oxygen exists in the brain?
There is no reserve as such, oxygen is carried by haemoglobin molecules in the blood. It is transfered to parts of the body when it requires it. As such if a person stops breathing, the amount of brain damage sustained from a lack of oxygen increases with time, from approximately 4 minutes there is a risk. After 15 minutes it is very risky. This is why it is so important to start CPR as soon as possible.
How many brain cells do you lose when you hold your breath?
None. Before you could loose any brain cells, you would pass out and start breathing normally again.
When does lethal brain damage start occur in a choking victim?
After around Three Minutes
What will happen if you hold your breathe to long?
You will die from lack of oxygen, or you will hurt your lungs. You can't hold your breath too long to die. If you starve the brain of oxygen you will become unconscious at which point your autonomic systems will start you breathing again. You can be prevented from breathing which will cause death through asphyxiation, but that is not dying from holding your breath.
How long can the human brain survive without oxygen?
About 6 minutes before brain cells start to die. If a person has a cardiac arrest resuscitation has to begin within this time to be successful. The time may be prolonged if the body is cooled, for example by drowning in ice cold water.As mentioned, temperature (specifically metabolism) plays a very big role in how long you can go without oxygen, but as general guideline:Heart: Needs constant oxygenBrain: 4-6 minKidneys: +- 30 minMuscles: +- 2-4 hoursGI Tract: +- 12 hoursThus, the main areas of concern is the heart and the brain.A human body ca only live for six minutes without oxygen, before the brain cells start to die.
Why cant humans survive more than a few minutes without oxygen?
b/c your brain would cause you to lose consciousness and then normal breathing would start to resume.
When doe lethal brain damage start to occur in a choking victim?
After around Three Minutes
How can a stroke kill you?
Yes a stroke can kill you. A stroke happens when there is a lack of blood flow to the brain. When there is no blood, there is no oxygen and the brain cells start to die, causing a stroke or death of brain tissue. Where in the brain the stroke happens and how long the brain goes without blood can make a difference as to how bad the stroke is.
What happens when we breath out?
both you can start with breathing out or by breathing in
