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Cardiorespiratory fitness is most likely to improve due to which of the following types of exercise?

A.
bicycling
B.
weight lifting
C.
push-ups
D.
sit-ups

User Pdc
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1 Answer

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The answer is A because cardio respiratory has to do with the heart and lungs, and bicycling raises your heart rate while you have to focus on your breathing.
User Alex Leach
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