Question

what do you mean by cardio??​

Answer 1

Answer:

Cardio exercise is any exercise that raises your heart rate. ... Your heart is a muscle. Therefore working it makes it stronger. A stronger cardio-vascular system means more capillaries delivering more oxygen to cells in your muscles. This enables your cells to burn more fat during both exercise and inactivity.

Explanation:

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Answer 2

Cardio is an exercise which is related to heart........Cardio exercise uses large muscle movement over a sustained period of time keeping your heart rate to at least 50% of its maximum level..Cardio exercise is any exercise that raises your heart rate. .....

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