MinuteEarth

The Secrets of Extreme Breath Holding

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To learn more about this topic, start your googling with these keywords:

  • Static Apnea: Holding your breath without swimming or moving.
  • Apneist: Someone who competes in apnea-related contests.
  • Fight or Flight Response: A set of physiological responses to a perceived mortal threat.
  • Mammalian Dive Reflex: A set of physiological responses to immersion that overrides the basic homeostatic reflexes.
  • Diaphragm: A strip of skeletal muscles underneath the lungs that contracts and flattens when you inhale. It starts spasming as part of involuntary breathing movements when the body starts to run out of oxygen.
  • Spleen: An organ that primarily acts as a blood filter that can deflate to return blood to the circulatory system.
  • Carbon Dioxide Tension: The increase in CO2 pressure in the blood as oxygen levels fall.


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