Multiple choice general knowledge science & technology

4 to -- = the number of minutes your brain can survive without oxygen before it starts to die

  1. 6

  2. 7

  3. 8

  4. 9
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The brain can survive only 4-6 minutes without oxygen before irreversible damage begins. After this point, brain cells start to die due to lack of oxygen, leading to permanent neurological damage. This makes oxygen supply critical for brain survival.

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