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An educational diagram titled Holding Your Breath: How Lungs Inflate, showing three cartoon figures underwater with transparent anatomy depicting lungs, ribcages, and airways.

An educational diagram titled Holding Your Breath: How Lungs Inflate, showing three cartoon figures underwater with transparent anatomy depicting lungs, ribcages, and airways.

An educational diagram titled Holding Your Breath: How Lungs Inflate, showing three cartoon figures underwater with transparent anatomy depicting lungs, ribcages, and airways. Voir plus

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