Thursday 7th March 2024
    Difficulty: Hard

    Extreme Breath Holding (Quiz #475)

    Questions by Mary Redfern

    Photo by <a href="https://unsplash.com/@ripeyyy_?utm_content=creditCopyText&utm_medium=referral&utm_source=unsplash">Ibrahim Rifath</a>
    Photo by Ibrahim Rifath (Unsplash)

    Extreme breath holding is a discipline in which someone holds their breath for as long as possible underwater. 

    1. Why are extreme breath holding attempts completed underwater? 

    2. The record for oxygen assisted breath holding (inhaling pure oxygen before going under water) is 24 minutes and 37 seconds, held by Budimir Šobat of Croatia. What unusual thing did he do immediately after resurfacing? 

    3. The cognitive function of elite extreme breath holders was compared to 'normal' people. How well did the extreme breath holders perform?

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