The average adult at rest inhales and exhales between 7 to 8 liters of air each minutes. Check out this HowStuffWorks podcast to learn how much oxygen a person uses during a day of inhalation and exhalation.
Welcome to the daily audio workout for your head. Every day we have two games for you, each with three rounds which get progressively harder. To enjoy the full experience avoid distractions whilst you listen.
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