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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well, if your body is hypothermic, your respiration slows, its kinda like hibernation. You can train to hold your breath for longer. The world record is like 20 minutes. This is a professional diver. it would take years to get to that level.
And the (American Football) Denver Broncos have only lost 1 home game to New Orleans in 50 + years. This is because Denver is used to breathing in thin mountain air. Oxygen concentration is lower. New Orleans is at sea level. Their bodies are used to more concentrated O2.
so yes, you usually need a fairly constant supply of oxygen. but human bodies adapt
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