During exercise, why is the oxygen concentration in arterial blood different from the oxygen
concentration in venous blood?
asap ! : )

blood leaving the lungs normally has an oxygen content of 16 to 24 ml/100 ml blood and an oxygen saturation of approximately 95% to 98%. the arteriovenous oxygen difference is greater during exercise, normally resulting from lower venous oxygen content in the presence of stable arterial oxygen content.

explanation:

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