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1. Your heart functions in your body as a/an
A. filter for impurities.
B. organ for absorbing vitamins and minerals.
C. muscle that helps to pump oxygen around the body.
D. series of joints responsible for endurance.
2. If you’re aerobically fit, you can
A. quit your normal exercise routine without any
negative effects.
B. sustain a regular routine of exercise for 30–60 minutes
with minimal fatigue.
C. lift very heavy weights without injuries to your joints.
D. run a marathon without experiencing fatigue

  • Fitness -

    1. Surely you know what the heart does. If not, take an educated guess or do some reading on the subject.

    2. B.

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