Eli5: how can free divers hold their breath for so long without causing brain damage? 724 viewsJanuary 3, 2024 Question90.66K February 27, 2021 0 Comments If it only takes 4 minutes without oxygen to cause brain damage, how can they stay underwater for 4+ minuets and not hurt themselves. In: Biology 10 Answers ActiveNewestOldest Anonymous Posted February 27, 2021 0 Comments The brain isn’t without oxygen when they dive, they are relying on residual oxygen in their lungs, blood, and tissues. Consciousness is very expensive and generally a lack of oxygen will put them to sleep well before permanent brain damage occurs. You are viewing 1 out of 10 answers, click here to view all answers. Register or Login
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