Fitness - including increased cardiorespiratory fitness and endurance (stamina) Regular aerobic exercise improves your cardiovascular fitness by increasing your capacity to use oxygen. It does this by increasing your heart's capacity to send blood (and hence oxygen) to the muscles.
Performing aerobic exercise regularly strengthens your heart and lungs and improves your circulation, which can help you build stamina and endurance.
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Answer:
Fitness - including increased cardiorespiratory fitness and endurance (stamina) Regular aerobic exercise improves your cardiovascular fitness by increasing your capacity to use oxygen. It does this by increasing your heart's capacity to send blood (and hence oxygen) to the muscles.
Performing aerobic exercise regularly strengthens your heart and lungs and improves your circulation, which can help you build stamina and endurance.