How is it possible for someone to hold their breath for a very long time?

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The world record is 24 min 37.36 sec

How can they stay conscious for so long on a single breath? Doesn’t the body need a constant supply of oxygen?

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Anonymous 0 Comments

100 comments in and nobody has mentioned muscle activity?? Any muscle activity increases oxygen demand. Relax all the muscles for a few minutes beforehand, while taking deep breaths and oxygenating the blood. Anyone can do a few minutes with no training.

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