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    Physical Education A-Level

    Oxygen deficit at the onset of exercise

    What Oxygen deficit at the onset of exercise means in Physical Education A-Level, as defined for AQA.

    Definition of Oxygen deficit at the onset of exercise

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    Reference: AQA

    The initial oxygen deficit is reduced because oxygen delivery to working muscles is increased from the very start of activity.
    AQA · Cardiovascular system (study guide)

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