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Concernant la consommation d'oxygène (VO2) d'un sujet sain, quelles sont les deux propositions exactes ?A. Sa mesure permet de calculer la dépense énergétique, en multipliant la VO2 par la chaleur de combustion.B. Elle dépend entre autres de la fonction pulmonaire qui permet le transfert de l'oxygène de l'air ambiant jusqu'au sang.C. On peut calculer la VO2 en multipliant la production de CO2 (VCO2) par le quotient respiratoire estimé à partir de l'alimentation du sujet.D. Elle augmente progressivement lors d'une épreuve d'effort incrémentale « triangulaire », pour atteindre un bref plateau qui définit la consommation d'oxygène maximale du sujet (VO2max).E. Autre réponse.

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