Multiple choice general knowledge

For how many minutes the brain can live without oxygen

  1. 4-6

  2. 1-2

  3. 7-10

  4. 0
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The brain begins to suffer irreversible damage after about 4-6 minutes without oxygen. Brain cells start dying within minutes, and survival becomes increasingly unlikely beyond this window.

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